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.

A139223 M*(M-1), where M is Mersenne prime A000668(n).

Table of values

n a(n)
1 6
2 42
3 930
4 16002
5 67084290
6 17179475970
7 274876334082
8 4611686011984936962
9 5316911983139663484697699213480296450
10 383123885216472214589586754930667236976614368197214210

List of values

[6, 42, 930, 16002, 67084290, 17179475970, 274876334082, 4611686011984936962, 5316911983139663484697699213480296450, 383123885216472214589586754930667236976614368197214210]

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

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