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.

A221134 Number of nX3 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with no occupancy greater than 2.

Table of values

n a(n)
1 2
2 49
3 656
4 12544
5 200072
6 3485689
7 58132316
8 990486784
9 16699002692
10 282999528529
11 4783766470826
12 80965479678724
13 1369496232351362
14 23171487659654569
15 391996208325992186
16 6631958618350959364

List of values

[2, 49, 656, 12544, 200072, 3485689, 58132316, 990486784, 16699002692, 282999528529, 4783766470826, 80965479678724, 1369496232351362, 23171487659654569, 391996208325992186, 6631958618350959364]

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

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