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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.

A134716 a(n) = least number m such that sigma(m)/m > n, where sigma(m) = sum of divisors of m.

Table of values

n a(n)
0 1
1 2
2 12
3 180
4 27720
5 122522400
6 130429015516800
7 1970992304700453905270400
8 1897544233056092162003806758651798777216000
9 4368924363354820808981210203132513655327781713900627249499856876120704000

List of values

[1, 2, 12, 180, 27720, 122522400, 130429015516800, 1970992304700453905270400, 1897544233056092162003806758651798777216000, 4368924363354820808981210203132513655327781713900627249499856876120704000]

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

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