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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.

A252540 Numbers k such that A000593(A146076(k)) = k. (A000593(n) is the sum of the odd divisors of n; A146076(n) is the sum of the even divisors of n.)

Table of values

n a(n)
1 4
2 8
3 32
4 128
5 320
6 8192
7 131072
8 524288
9 11243520
10 2147483648

List of values

[4, 8, 32, 128, 320, 8192, 131072, 524288, 11243520, 2147483648]

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

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