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.

A232380 Number of 5Xn 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal.

Table of values

n a(n)
1 1
2 934
3 36574
4 957232
5 27133338
6 825606450
7 24945468636
8 747913169216
9 22460676406974
10 675143834470462
11 20291549259837168
12 609804313253059260
13 18326215546732616794
14 550758040677362295570
15 16551923665278410826856

List of values

[1, 934, 36574, 957232, 27133338, 825606450, 24945468636, 747913169216, 22460676406974, 675143834470462, 20291549259837168, 609804313253059260, 18326215546732616794, 550758040677362295570, 16551923665278410826856]

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

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