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.

A172555 Number of 2*n X 8 binary arrays with row sums 4 and column sums n.

Table of values

n a(n)
0 1
1 70
2 44730
3 60871300
4 116963796250
5 273957842462220
6 729833528645228700
7 2128370421607383353400
8 6637298299496411164868250
9 21796558191507153941744357500
10 74580431332898028185458459628980
11 263863554962023852690547420699517000
12 959794291357783500093926796260896462300

List of values

[1, 70, 44730, 60871300, 116963796250, 273957842462220, 729833528645228700, 2128370421607383353400, 6637298299496411164868250, 21796558191507153941744357500, 74580431332898028185458459628980, 263863554962023852690547420699517000, 959794291357783500093926796260896462300]

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

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