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 A373787 #10 Jun 21 2024 20:45:46 %S A373787 2,4,6,8,10,12,14,16,18,20,22,26,28,30,32,34,37,39,41,43,45,47,49,52, %T A373787 54,56,58,60,63,65,67,69,71,74,76,78,80,82,84,86,88,90,92,94,96,98, %U A373787 100,102,104,106,108,110,112,115,117,119,121,123,125,128,130,132,134,136,138,140 %N A373787 Indices of even terms in A373390. %H A373787 N. J. A. Sloane, <a href="/A373787/b373787.txt">Table of n, a(n) for n = 1..10000</a> %Y A373787 Cf. A373390, A372072, A372073, A372078-A372081, A373786-A373791. %K A373787 nonn %O A373787 1,1 %A A373787 _N. J. A. Sloane_, Jun 19 2024