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 A328069 #5 Oct 05 2019 13:03:46 %S A328069 1,9,12,23,22,42,43,38,45,65,64,76,81,98,92,109,116,114,117,136,135, %T A328069 145,147,146,164,166,170,198,195,182,197,225,223,229,211,247,228,250, %U A328069 264,266,269,273,277,300,307,320,322,347,328,331,356,355,354,365,379 %N A328069 a(n) = A327460(2n+1). %H A328069 N. J. A. Sloane, <a href="/A328069/b328069.txt">Table of n, a(n) for n = 0..1999</a> %Y A328069 Cf. A327460, A328070. %K A328069 nonn %O A328069 0,2 %A A328069 _N. J. A. Sloane_, Oct 05 2019