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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.

A284112 Number of n X 7 0..1 arrays with the number of 1's king-move adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Table of values

n a(n)
1 33
2 2095
3 67957
4 16442183
5 835390074
6 202053817163
7 12336109217951
8 2717300368732547
9 189648871247418668
10 38157272354610084376
11 2957145586181369921070
12 550690134528386541356991

List of values

[33, 2095, 67957, 16442183, 835390074, 202053817163, 12336109217951, 2717300368732547, 189648871247418668, 38157272354610084376, 2957145586181369921070, 550690134528386541356991]

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

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