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 A179262 #16 Oct 07 2019 14:26:12 %S A179262 7,17,49,97,241,337,577,721,1057,1681,1921,2737,3361,3697,4417,5617, %T A179262 6961,7441,8977,10081,10657,12481,13777,15841,18817,20401,21217,22897, %U A179262 23761,25537,32257,34321,37537,38641,44401,45601,49297,53137,55777 %N A179262 a(n) = 2*prime(n)^2 - 1. %H A179262 Michael De Vlieger, <a href="/A179262/b179262.txt">Table of n, a(n) for n = 1..10000</a> %F A179262 a(n) = A079704(n) - 1 = 2*prime(n)^2 - 1. - _R. J. Mathar_, Jul 08 2010 %t A179262 Array[2 Prime[#]^2 - 1 &, 10^4] (* _Michael De Vlieger_, Oct 06 2019 *) %Y A179262 Cf. A000040. %K A179262 nonn %O A179262 1,1 %A A179262 Frank Wals (frank.wals(AT)gmail.com), Jul 06 2010, Jul 09 2010 %E A179262 More terms from _R. J. Mathar_, Jul 08 2010