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Old 2020-02-10, 17:04   #2
Batalov
 
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"Serge"
Mar 2008
Phi(4,2^7658614+1)/2

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Code:
for(k=1,10^10,if(issquare(51+163*k),print(k)))
10
91
255
498
826
1231
1723
2290
2946
3675
4495
5386
6370
7423
8571
9786
11098
12475
13951
15490
17130
18831
20635
22498
24466
26491
28623
30810
33106
...
...
Yes infinitely many lol

Last fiddled with by enzocreti on 2020-02-10 at 17:34
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