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.

A334410 Numbers m such that the sum of the first k divisors of m, for some k, is equal to the sum of its other divisors.

Table of values

n a(n)
1 6
2 28
3 120
4 496
5 672
6 8128
7 35640
8 199584
9 523776
10 2142720
11 12999168
12 33550336
13 459818240
14 1476304896
15 2836487808
16 6039429120
17 6399679104
18 8589869056
19 36639203328
20 51001180160
21 137438691328
22 266653296000
23 658470384000
24 2732372020224
25 6164773235712

List of values

[6, 28, 120, 496, 672, 8128, 35640, 199584, 523776, 2142720, 12999168, 33550336, 459818240, 1476304896, 2836487808, 6039429120, 6399679104, 8589869056, 36639203328, 51001180160, 137438691328, 266653296000, 658470384000, 2732372020224, 6164773235712]

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

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