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 A177077 #10 Aug 14 2018 21:04:14 %S A177077 2,13,53,317,613,797,1237,1493,3533,4877,12413,16573,17477,20333, %T A177077 26693,30197,32653,37853,40597,44893,50957,54133,59077,60773,64237, %U A177077 71453,81013,82997,87037,99733,108677,115637,120397,127717,145637,159157 %N A177077 Primes of the form 5*x^2 - 2*y^2, where x and y are successive natural numbers. %C A177077 a(n) is congruent 1 mod 4. %C A177077 Primes of the form 3*n^2-4*n-2, with n>1. [_Vincenzo Librandi_, Aug 06 2010] %H A177077 Robert Israel, <a href="/A177077/b177077.txt">Table of n, a(n) for n = 1..10000</a> %p A177077 select(isprime, [seq(3*n^2-4*n-2,n=2..1000)]); # _Robert Israel_, Aug 14 2018 %Y A177077 Cf. A176470, A176557. %K A177077 nonn %O A177077 1,1 %A A177077 _Giovanni Teofilatto_, May 02 2010