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 A126113 #3 Sep 24 2013 09:24:38 %S A126113 353,7793,45377,2131937,2782097,23705153,36393857,142457633,423617057, %T A126113 780627473,19243704833,44507912417,135498076577,221043906737, %U A126113 386218778417,512825188193,652841559233,1150861306913,1285043991857 %N A126113 Primes p^4 + (p-1)^4 + (p + 1)^4 arising from A126112. %e A126113 A126112(1) = 3 and (3-1)^4+3^4+(3+1)^4 = 2^4+3^4+4^4 = 16+81+256 = 353 is prime, hence a(1) = 353. %e A126113 A126112(3) = 11 and (11-1)^4+11^4+(11+1)^4 = 10^4+11^4+12^4 = 10000 + 14641 + 20736 = 45377 is prime, hence a(3) = 45377. %o A126113 (PARI) {forprime(p=2,810,if(isprime(q=(p-1)^4+p^4+(p+1)^4),print1(q,",")))} /* Klaus Brockhaus, Mar 27 2007 */ %Y A126113 Cf. A126657, A126769, A126112. %K A126113 nonn %O A126113 1,1 %A A126113 _Tomas Xordan_, Mar 05 2007 %E A126113 Edited and corrected by _Klaus Brockhaus_, Mar 27 2007