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.

A221324 Number of n X 4 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

Table of values

n a(n)
1 17
2 866
3 46105
4 2460824
5 131347807
6 7010554450
7 374176705928
8 19970973695923
9 1065911268786396
10 56890876705125765
11 3036435876484206258
12 162063633563069131638
13 8649818983278197229631
14 461666606875092805859284

List of values

[17, 866, 46105, 2460824, 131347807, 7010554450, 374176705928, 19970973695923, 1065911268786396, 56890876705125765, 3036435876484206258, 162063633563069131638, 8649818983278197229631, 461666606875092805859284]

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

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