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.

A139684 Number of n X n symmetric binary matrices with no row sum greater than 8.

Table of values

n a(n)
0 1
1 2
2 8
3 64
4 1024
5 32768
6 2097152
7 268435456
8 68719476736
9 34575388318705
10 32448313431713405
11 52469561348291720657
12 134755962211702695614887
13 514006997326078783646604259
14 2768435750908792178769980837441
15 20276667790903553518295082198527981

List of values

[1, 2, 8, 64, 1024, 32768, 2097152, 268435456, 68719476736, 34575388318705, 32448313431713405, 52469561348291720657, 134755962211702695614887, 514006997326078783646604259, 2768435750908792178769980837441, 20276667790903553518295082198527981]

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

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