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 A350607 #5 Jan 13 2022 03:16:52 %S A350607 0,2,3,5,9,15,23,39,51,79,95,119,151,191,239,255,383,415,431,447,479, %T A350607 495,559,655,671,751,815,895,991,1183,1279,1343,1439,1471,1695,2207, %U A350607 2335,2367,2399,2719,3231,3295,3359,3679,4671,5631,6207,10751,11519,18303,25343,25983,28159,28415,31615,32383,33919,34559,36479,37631,44927,61055,63359,64127 %N A350607 a(n) = (A230624(n)-2)/4. %H A350607 N. J. A. Sloane, <a href="/A350607/b350607.txt">Table of n, a(n) for n = 1..545</a> %Y A350607 Cf. A230624, A349821. %K A350607 nonn %O A350607 1,2 %A A350607 _N. J. A. Sloane_, Jan 13 2022