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.

A065341 Mersenne composites: 2^prime(m) - 1 is not a prime.

Table of values

n a(n)
1 2047
2 8388607
3 536870911
4 137438953471
5 2199023255551
6 8796093022207
7 140737488355327
8 9007199254740991
9 576460752303423487
10 147573952589676412927
11 2361183241434822606847
12 9444732965739290427391

List of values

[2047, 8388607, 536870911, 137438953471, 2199023255551, 8796093022207, 140737488355327, 9007199254740991, 576460752303423487, 147573952589676412927, 2361183241434822606847, 9444732965739290427391]

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

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