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 A151732 #9 May 30 2025 11:01:01 %S A151732 0,2,4,8,6,12,8,14,16,24,14,20,24,20,16,36,32,44,44,36,36,48,40,48,46, %T A151732 60,70,44,44,64,60,60,76,72,64,64,84,94,102,68,84,88,116,92,120,126, %U A151732 126,104,128,104,96,84,116,130,114,92,112,112,132,140,160,162 %N A151732 First differences of A151731. %H A151732 Rémy Sigrist, <a href="/A151732/b151732.txt">Table of n, a(n) for n = 0..8192</a> %H A151732 Rémy Sigrist, <a href="/A151732/a151732.gp.txt">PARI program for A151732</a> %o A151732 (PARI) \\ See Links section. %Y A151732 Cf. A151731. %K A151732 nonn %O A151732 0,2 %A A151732 _N. J. A. Sloane_, Jun 15 2009