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.

A207445 Number of 5Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 14
2 196
3 1144
4 6525
5 41092
6 243981
7 1414091
8 8282682
9 48412066
10 281750934
11 1640832501
12 9559066218
13 55654361363
14 324008102605
15 1886556006594
16 10983861307496
17 63947257459350
18 372306029356615
19 2167596140359934

List of values

[14, 196, 1144, 6525, 41092, 243981, 1414091, 8282682, 48412066, 281750934, 1640832501, 9559066218, 55654361363, 324008102605, 1886556006594, 10983861307496, 63947257459350, 372306029356615, 2167596140359934]

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

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