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.

A139681 Number of n X n symmetric binary matrices with no row sum greater than 5.

Table of values

n a(n)
0 1
1 2
2 8
3 64
4 1024
5 32768
6 1914733
7 178499118
8 23973965155
9 4356864886906
10 1028823851939030
11 306635655405986312
12 112789704243814005142
13 50281311185009713150048
14 26760450115727957945767409
15 16787646103442094018698106106
16 12278130772483524854754380090307

List of values

[1, 2, 8, 64, 1024, 32768, 1914733, 178499118, 23973965155, 4356864886906, 1028823851939030, 306635655405986312, 112789704243814005142, 50281311185009713150048, 26760450115727957945767409, 16787646103442094018698106106, 12278130772483524854754380090307]

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

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