mersenneforum.org Search Results
 Register FAQ Search Today's Posts Mark Forums Read

 Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: axn
 Forum: Puzzles 2010-12-13, 16:09 Replies: 183 Views: 14,448 Posted By axn Verified the first 7 terms: 11, 751, 1129,... Verified the first 7 terms: 11, 751, 1129, 361649, 361649, 12462809, 12462809.
 Forum: Puzzles 2010-04-07, 01:01 Replies: 183 Views: 14,448 Posted By axn While we're at it, some results for the cubes: ... While we're at it, some results for the cubes: 3:5:160 51:233:143309500 1095:8783:167992435025000 2739:24763:9495929161130000 401785:5828099:18803849605481106073200000...
 Forum: Puzzles 2010-04-07, 00:48 Replies: 183 Views: 14,448 Posted By axn Pari concurs with your first seven ... Pari concurs with your first seven p=2;s=0;ten=10;for(i=2,10000000,s=s+p;if(Mod(s,ten)==0, ten=ten*10;print(i,":",p, ":",s)); p=nextprime(p+1)) 4:5:10 10:23:100 3796:35677:63731000...
 Forum: Puzzles 2010-03-18, 19:59 Replies: 183 Views: 14,448 Posted By axn That sequence is the first occurrence of 10^n.... That sequence is the first occurrence of 10^n. 977 repeats (not a typo!) because it ends in 000 and comes before any other 00. So it stands at positions 2 & 3. EDIT:- Mine is merely the first four...
 Forum: Puzzles 2010-03-18, 19:02 Replies: 183 Views: 14,448 Posted By axn I think CRG's sequence is more "worthy". It is... I think CRG's sequence is more "worthy". It is also the solution of OP. I can think of two ways to generalize: to other bases and other powers (other than squares).
 Forum: Puzzles 2010-03-18, 14:26 Replies: 183 Views: 14,448 Posted By axn s=0;forprime(p=2,1000,s=s+p^2;if(Mod(s,10)==0,... s=0;forprime(p=2,1000,s=s+p^2;if(Mod(s,10)==0, print(p, ":",s))) 907:37464550 967:44505630 977:46403000 991:48351370
 Showing results 1 to 6 of 6

All times are UTC. The time now is 08:07.

Wed Oct 21 08:07:49 UTC 2020 up 41 days, 5:18, 0 users, load averages: 2.01, 1.61, 1.44