cp's OEIS Frontend

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.

A336550 Numbers k such that A007947(k) divides sigma(k) and A003557(k)-1 either divides A326143(k) [= A001065(k) - A007947(k)], or both are zero.

Table of values

n a(n)
1 6
2 24
3 28
4 96
5 120
6 234
7 384
8 496
9 936
10 1536
11 1638
12 6144
13 8128
14 24576
15 42588
16 98304
17 393216
18 1089270
19 1572864
20 6291456
21 25165824
22 33550336
23 100663296
24 115048440
25 402653184
26 1185125760
27 1610612736

List of values

[6, 24, 28, 96, 120, 234, 384, 496, 936, 1536, 1638, 6144, 8128, 24576, 42588, 98304, 393216, 1089270, 1572864, 6291456, 25165824, 33550336, 100663296, 115048440, 402653184, 1185125760, 1610612736]

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

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