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.

A139224 M(M-1)/2, where M is Mersenne prime A000668(n).

Table of values

n a(n)
1 3
2 21
3 465
4 8001
5 33542145
6 8589737985
7 137438167041
8 2305843005992468481
9 2658455991569831742348849606740148225
10 191561942608236107294793377465333618488307184098607105

List of values

[3, 21, 465, 8001, 33542145, 8589737985, 137438167041, 2305843005992468481, 2658455991569831742348849606740148225, 191561942608236107294793377465333618488307184098607105]

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

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