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.

A188391 Number of (7*n) X 7 binary arrays with rows in nonincreasing order and n ones in every column.

Table of values

n a(n)
1 877
2 624889
3 238773109
4 55643064708
5 8738543204786
6 992649275638900
7 85864898797026630
8 5878897478976883089
9 328290088245117576091
10 15312799057782368782624
11 608266461487720680703265
12 20908600183730320082374280

List of values

[877, 624889, 238773109, 55643064708, 8738543204786, 992649275638900, 85864898797026630, 5878897478976883089, 328290088245117576091, 15312799057782368782624, 608266461487720680703265, 20908600183730320082374280]

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

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