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 A387352 #9 Aug 29 2025 03:46:23 %S A387352 250,376,1276,12616,20536,396916,801376,1297312,8452096,33721216, %T A387352 40575616,59376256,89397016,99523456,101556016,150441856,173706136, %U A387352 269096704,283417216,500101936,1082640256,1846506832,15531546112,34675557856,136310177392,136783784608 %N A387352 Numbers m with deficiency 32: sigma(m) - 2*m = -32. %C A387352 Contains numbers 2^(k-1)*(2^k + 31) for k in A247952. %H A387352 Max Alekseyev, <a href="/A387352/b387352.txt">Table of n, a(n) for n = 1..54</a> %Y A387352 Deficiency k: A191363 (k=2), A125246 (k=4), A141548 (k=6), A125247 (k=8), A101223 (k=10), A141549 (k=12), A141550 (k=14), A125248 (k=16), A223608 (k=18), A223607 (k=20), A223606 (k=22), A385255(k=24), A275702 (k=26), A275997 (k=64). %Y A387352 Abundance k: A088831 (k=2), A088832 (k=4), A087167 (k=6), A088833 (k=8), A223609 (k=10), A141545 (k=12), A141546 (k=14), A141547 (k=16), A223610 (k=18), A223611 (k=20), A223612 (k=22), A223613 (k=24), A275701 (k=26), A175989 (k=32), A275996 (k=64), A292626 (k=128). %Y A387352 Cf. A247952. %K A387352 nonn,new %O A387352 1,1 %A A387352 _Max Alekseyev_, Aug 27 2025