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 A385255 #10 Aug 02 2025 09:57:08 %S A385255 124,9664,151115727458150838697984 %N A385255 Numbers m whose deficiency is 24: sigma(m) - 2*m = -24. %C A385255 Contains numbers 2^(k-1)*(2^k + 23) for k in A057203. First three terms have this form. %Y A385255 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), A275702 (k=26). %Y A385255 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). %Y A385255 Cf. A057203. %K A385255 bref,nonn,hard,more %O A385255 1,1 %A A385255 _Max Alekseyev_, Jul 29 2025