This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A212379 #11 Sep 08 2022 08:46:02 %S A212379 83,739,821,1231,1559,1723,2297,2543,2707,2789,2953,3527,3691,4019, %T A212379 5003,5167,5413,5659,5741,5987,6151,6397,6971,7873,8447,8693,9103, %U A212379 9349,9431,9677,9923,10169,10333,11071,11317,11399,12301,12547,13121,13367,13613,13859 %N A212379 Primes congruent to 1 mod 41. %C A212379 Coincides for the first 49 terms with A059236, that is the sequence of primes p such that x^41 = 2 has no solution mod p (first divergence is at 17467). %H A212379 Bruno Berselli, <a href="/A212379/b212379.txt">Table of n, a(n) for n = 1..1000</a> %t A212379 Select[Prime[Range[1800]], Mod[#, 41] == 1 &] %t A212379 Select[Range[1, 14000, 41], PrimeQ] %o A212379 (Magma) [p: p in PrimesUpTo(14000) | IsOne(p mod 41)]; %o A212379 (PARI) select(p->p%41==1, primes(999)) \\ _Charles R Greathouse IV_, Sep 20 2012 %Y A212379 Cf. A000040, A059236, A142199-A142237. %K A212379 nonn,easy %O A212379 1,1 %A A212379 _Bruno Berselli_, Sep 20 2012