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.

A086193 Number of n X n matrices with entries in {0,1} with no zero row, no zero column and with zero main diagonal.

Table of values

n a(n)
0 1
1 0
2 1
3 18
4 1699
5 592260
6 754179301
7 3562635108438
8 63770601591579079
9 4405870283636411477640
10 1190873924687350003735546441
11 1270602397076493907445608866890778
12 5381240610642043789096251476993474339179

List of values

[1, 0, 1, 18, 1699, 592260, 754179301, 3562635108438, 63770601591579079, 4405870283636411477640, 1190873924687350003735546441, 1270602397076493907445608866890778, 5381240610642043789096251476993474339179]

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

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