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.

A257996 Let s0 and s1 be the sums of the reciprocals of the even and odd divisors of n, respectively. The sequence lists the numbers n such that 3*s0 - 2*s1 = 1.

Table of values

n a(n)
1 120
2 1456
3 121024
4 2198352216064
5 576458003527499776

List of values

[120, 1456, 121024, 2198352216064, 576458003527499776]