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 A344754 #5 May 29 2021 12:19:21 %S A344754 1,6,24,28,54,96,112,150,153,216,294,384,448,486,496,528,672,726,864, %T A344754 1014,1080,1377,1500,1536,1734,1792,1944,1980,1984,2112,2166,2250, %U A344754 2376,2688,3174,3456,3672,3750,4320,4374,4560,4753,5046,5292,5766,6000,6048,6144,6720,7168,7776,7936,8128,8214,8448,8700,8736,9024 %N A344754 Numbers k such that A344753(k) is a multiple of A048250(k). %H A344754 <a href="/index/O#opnseqs">Index entries for sequences where odd perfect numbers must occur, if they exist at all</a> %o A344754 (PARI) %o A344754 A048250(n) = factorback(apply(p -> p+1,factor(n)[,1])); %o A344754 A344753(n) = sumdiv(n,d,(d<n)*(d+(issquarefree(n/d) * d))); %o A344754 isA344754(n) = (0==(A344753(n)%A048250(n))); %Y A344754 Cf. A001065, A001615, A306927, A048250, A344753. %Y A344754 Subsequences: A000396, A344755. %Y A344754 Cf. also A344700. %K A344754 nonn %O A344754 1,2 %A A344754 _Antti Karttunen_, May 29 2021