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.

A233078 Number of n X 4 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.

Table of values

n a(n)
1 14
2 662
3 32414
4 1588262
5 77824814
6 3813415862
7 186857377214
8 9156011483462
9 448644562689614
10 21983583571791062
11 1077195595017762014
12 52782584155870338662
13 2586346623637646594414
14 126730984558244683126262

List of values

[14, 662, 32414, 1588262, 77824814, 3813415862, 186857377214, 9156011483462, 448644562689614, 21983583571791062, 1077195595017762014, 52782584155870338662, 2586346623637646594414, 126730984558244683126262]

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

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