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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.

A318272 a(n) is the least k such that A049417(A049417(k)) = n*k, where A049417 is the infinitary sigma function, or 0 if no such k exists.

Table of values

n a(n)
1 1
2 2
3 8
4 15
5 24
6 60
7 1321920
8 17850
9 285600
10 763776

List of values

[1, 2, 8, 15, 24, 60, 1321920, 17850, 285600, 763776]

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

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