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.

A206884 Number of n X n 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically.

Table of values

n a(n)
1 2
2 16
3 240
4 7878
5 607043
6 111550389
7 47015346159
8 45805591252624
9 104403459975101887
10 559553426119779395361
11 7050914050087672286282505
12 208939006267581096192535752843
13 14569335412372326231761169576376298

List of values

[2, 16, 240, 7878, 607043, 111550389, 47015346159, 45805591252624, 104403459975101887, 559553426119779395361, 7050914050087672286282505, 208939006267581096192535752843, 14569335412372326231761169576376298]

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

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