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.

A221247 Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor.

Table of values

n a(n)
1 0
2 64
3 1056
4 45369
5 1337130
6 44315649
7 1404725868
8 45215769600
9 1447056039456
10 46405605611556
11 1487038748557464
12 47664362071029636
13 1527638149928473128
14 48962472488029102500
15 1569278944309473869112
16 50296658362620611720256

List of values

[0, 64, 1056, 45369, 1337130, 44315649, 1404725868, 45215769600, 1447056039456, 46405605611556, 1487038748557464, 47664362071029636, 1527638149928473128, 48962472488029102500, 1569278944309473869112, 50296658362620611720256]

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

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