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.

A265454 Number of nX4 0..n+4-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.

Table of values

n a(n)
1 66
2 3358
3 216466
4 13943772
5 871209026
6 52509347006
7 3073046007824
8 175659478218938
9 9853875472731614
10 544420779803461484
11 29705625866016751450
12 1604088383366277766514
13 85864081342833064010380

List of values

[66, 3358, 216466, 13943772, 871209026, 52509347006, 3073046007824, 175659478218938, 9853875472731614, 544420779803461484, 29705625866016751450, 1604088383366277766514, 85864081342833064010380]

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

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