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.

A330163 Even perfect numbers m from A000396 such that w = (m + 2^(k(m) - 1) - 1) * 2^(2*(k(m) - 1)) is also an even perfect number, where k(m) is the Mersenne exponent A000043(m).

Table of values

n a(n)
1 6
2 28
3 8128
4 2305843008139952128

List of values

[6, 28, 8128, 2305843008139952128]