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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.

A265455 Number of nX5 0..n+5-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

Table of values

n a(n)
1 360
2 42282
3 6056182
4 871209026
5 122895678174
6 16879041018070
7 2268041942592142
8 299048113399679982
9 38840546858752416798
10 4980829532639930253638
11 632088592086702141594594

List of values

[360, 42282, 6056182, 871209026, 122895678174, 16879041018070, 2268041942592142, 299048113399679982, 38840546858752416798, 4980829532639930253638, 632088592086702141594594]

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

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