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.

A330245 Numbers m with a unique subset of the divisors of m that sums to m (A064771) such that sigma(m)/m > sigma(k)/k for all smaller terms k < m of A064771, where sigma(m) is the sum of divisors of m (A000203).

Table of values

n a(n)
1 6
2 20
3 78
4 1014
5 3774
6 9514254

List of values

[6, 20, 78, 1014, 3774, 9514254]

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

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