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.

A221121 Number of n X 3 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor.

Table of values

n a(n)
1 8
2 200
3 4872
4 118472
5 2880520
6 70036168
7 1702839048
8 41402332360
9 1006644240392
10 24475254623432
11 595084206353160
12 14468703925621448
13 351787849605678088
14 8553267228797150920
15 207961646114893122312
16 5056318842606537992392

List of values

[8, 200, 4872, 118472, 2880520, 70036168, 1702839048, 41402332360, 1006644240392, 24475254623432, 595084206353160, 14468703925621448, 351787849605678088, 8553267228797150920, 207961646114893122312, 5056318842606537992392]

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

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