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Forum: Puzzles 2010-04-12, 17:17
Replies: 183
Views: 14,885
Posted By alexhiggins732
http://wwwhomes.uni-bielefeld.de/achim/prime_sieve...

http://wwwhomes.uni-bielefeld.de/achim/prime_sieve.html has it labeled Sieve of Atkins and points the the PDF I referenced above.

Being a crank and all, its practically a given that I'll have many...
Forum: Puzzles 2010-04-10, 21:07
Replies: 183
Views: 14,885
Posted By alexhiggins732
I concur, it is indeed a great sieve indeed and...

I concur, it is indeed a great sieve indeed and there are many implementations of it out there. For those interested here is the theory behind it and other sieves.
...
Forum: Puzzles 2010-04-10, 19:43
Replies: 183
Views: 14,885
Posted By alexhiggins732
While it may be entirely more effecient for...

While it may be entirely more effecient for larger input and the theory behind it can be quite complex, it is indeed a relatively simple modification compared to the one implement in Yafu.

Compare...
Forum: Puzzles 2010-04-10, 16:25
Replies: 183
Views: 14,885
Posted By alexhiggins732
Yeah tell me about it. That is nothing like my...

Yeah tell me about it. That is nothing like my "sliding window" sieve or even the seo. In fact Atkins and Euler have sieve named after them and and made only simple modifications.

YOUR SIEVE IS A...
Forum: Puzzles 2010-04-10, 13:49
Replies: 183
Views: 14,885
Posted By alexhiggins732
Downloaded the source and fired up the Visual...

Downloaded the source and fired up the Visual Studio Debugger after a bit of .... and still a bit hard to see exactly what is going on because pointers to the arrays don't allow you to see the...
Forum: Puzzles 2010-04-10, 02:46
Replies: 183
Views: 14,885
Posted By alexhiggins732
Must be very fast. I use a "similar sliding...

Must be very fast. I use a "similar sliding window" technique if you wish to call it that. However, after each window I need to save the primes to a .bin file in the form of 6k+=1, (eg, skip 2 and 3...
Forum: Puzzles 2010-04-10, 02:31
Replies: 183
Views: 14,885
Posted By alexhiggins732
I do not seek clarification on this, I understand...

I do not seek clarification on this, I understand this. I was making a generalized statement and further it may not be clear immediately reading the description of the sequence. However, a code...
Forum: Puzzles 2010-04-10, 02:00
Replies: 183
Views: 14,885
Posted By alexhiggins732
The more examples the merrier. Personally, I feel...

The more examples the merrier. Personally, I feel code examples help me to understand the sequences better, as I think can look at code an understand it easier then an explanation using a...
Forum: Puzzles 2010-04-10, 01:35
Replies: 183
Views: 14,885
Posted By alexhiggins732
n Pmax Sum(P^2) from 2 to Pmax; a...

n Pmax Sum(P^2) from 2 to Pmax; a multiple of 10^n
1 907 37464550
2 977 46403000
3 977 46403000

You have duplicated 2 and 3 on your site. I also noted that the OEIS sequence didn't...
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