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 A358925 #9 Dec 07 2022 15:00:36 %S A358925 54,2052,4060,23184,54425,109854,121392,126866,249180,317810,323284, %T A358925 330612,363552,384834,416020,476528,512937,537402,537988,544178, %U A358925 558085,601492,739033,743862,785888,832039,930249,982860,984544,1201692,1203954,1204276,1207300 %N A358925 Numbers whose first occurrence in Stern's diatomic series (A002487) is later than that of one of their proper multiples. %C A358925 Equivalently, numbers m such that A020946(m) > A020946(m*k) for some k > 1. %C A358925 For the first 38 terms, k = 2. %H A358925 Rémy Sigrist, <a href="/A358925/a358925.txt">C program</a> %H A358925 Rémy Sigrist, <a href="/A358925/a358925_1.txt">C++ program</a> %H A358925 <a href="/index/St#Stern">Index entries for sequences related to Stern's sequences</a> %e A358925 A020946(54) = 1275, but A020946(2*54) = 1173 is smaller, so 54 belongs to this sequence. %o A358925 (C) See Links section. %o A358925 (C++) See Links section. %Y A358925 Cf. A002487, A020946. %K A358925 nonn %O A358925 1,1 %A A358925 _Rémy Sigrist_, Dec 06 2022