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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.

A377142 Numbers m such that phi(2*m-1)/2 = phi(2*m) - 1, where phi = A000010.

Table of values

n a(n)
1 2
2 4
3 5
4 16
5 64
6 4096
7 65536
8 262144

List of values

[2, 4, 5, 16, 64, 4096, 65536, 262144]

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

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