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.

A207425 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.

Table of values

n a(n)
1 40
2 1600
3 20550
4 241087
5 3210938
6 39698733
7 474552171
8 5755114104
9 69609375870
10 836438494500
11 10061632597765
12 121113950382680
13 1456404024212421
14 17511407393280395
15 210603058946646014
16 2532582001420108242

List of values

[40, 1600, 20550, 241087, 3210938, 39698733, 474552171, 5755114104, 69609375870, 836438494500, 10061632597765, 121113950382680, 1456404024212421, 17511407393280395, 210603058946646014, 2532582001420108242]

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

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