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.

A317681 a(n) = smallest m such that sigma(m) = n*m/2.

Table of values

n a(n)
2 1
3 2
4 6
5 24
6 120
7 4320
8 30240
9 8910720
10 14182439040
11 17116004505600
12 154345556085770649600
13 170974031122008628879954060917200710847692800
14 141310897947438348259849402738485523264343544818565120000
15 12749472205565550032020636281352368036406720997031277595140988449695952806020854579200000

List of values

[1, 2, 6, 24, 120, 4320, 30240, 8910720, 14182439040, 17116004505600, 154345556085770649600, 170974031122008628879954060917200710847692800, 141310897947438348259849402738485523264343544818565120000, 12749472205565550032020636281352368036406720997031277595140988449695952806020854579200000]

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

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