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 A266343 #13 May 22 2024 01:32:38
%S A266343 1,120,1980,7920,30240,109200,120120,480480,491400,1853280,1884960,
%T A266343 1965600,2106720,7207200,8168160,8482320,8648640,31600800,121080960,
%U A266343 122522400,129729600,136936800,465585120,490089600,497296800,514594080,537213600,551350800
%N A266343 Positions of records in A266342.
%C A266343 The corresponding record values A266342(a(n)) are 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 21, 25, 26, ...
%H A266343 Hiroaki Yamanouchi, <a href="/A266343/b266343.txt">Table of n, a(n) for n = 1..56</a>
%o A266343 (PARI)
%o A266343 A000523(n) = if(n<1,0,#binary(n) - 1);
%o A266343 A266342(n) = sumdiv(n, d, ((d <= (n/d)) && (A000523(d)==A000523(n/d))));
%o A266343 m=0; i=0; for(n=1, 2^32, k = A266342(n); if(k > m, m = k; i++; write("b266343.txt", i, " ", n)));
%Y A266343 Cf. A266342.
%K A266343 nonn,base
%O A266343 1,2
%A A266343 _Antti Karttunen_, Dec 28 2015
%E A266343 a(20)-a(28) from _Hiroaki Yamanouchi_, Jan 02 2016