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.

A189689 Number of n X n binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally.

Table of values

n a(n)
1 2
2 16
3 292
4 11637
5 862652
6 140346362
7 43645304766
8 30140493826752
9 41065086729341527
10 123548887542841478730
11 745009928964016992782018
12 9811185735768630724517609865
13 262092653227176839857198569967286

List of values

[2, 16, 292, 11637, 862652, 140346362, 43645304766, 30140493826752, 41065086729341527, 123548887542841478730, 745009928964016992782018, 9811185735768630724517609865, 262092653227176839857198569967286]

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

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