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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.

A324898 Odd numbers k such that sigma(k) is congruent to 2 modulo 4 and k = A318458(k), where A318458(k) is bitwise-AND of k and sigma(k)-k.

Table of values

n a(n)
1 236925
2 3847725
3 51122925
4 69468525
5 151141725
6 154669725
7 269748225
8 344211525
9 415565325
10 445817925
11 551569725
12 1111904325
13 1112565825
14 1113756525
15 1175717025
16 1400045625
17 1631666925
18 1695170925
19 1820873925
20 1915847325
21 1946981925
22 2179080225
23 2321121825
24 2453690925
25 2460041325
26 2491740225
27 3223500525
28 3493517445
29 3775103325

List of values

[236925, 3847725, 51122925, 69468525, 151141725, 154669725, 269748225, 344211525, 415565325, 445817925, 551569725, 1111904325, 1112565825, 1113756525, 1175717025, 1400045625, 1631666925, 1695170925, 1820873925, 1915847325, 1946981925, 2179080225, 2321121825, 2453690925, 2460041325, 2491740225, 3223500525, 3493517445, 3775103325]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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