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.

A232160 Number of nX7 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.

Table of values

n a(n)
1 48
2 9004
3 124436
4 1767266
5 26694774
6 415332300
7 6564512068
8 103384156384
9 1636124088162
10 25973583237174
11 411171410014356
12 6519608941018384
13 103473233282931542
14 1639791299611784558
15 26009017324816484476

List of values

[48, 9004, 124436, 1767266, 26694774, 415332300, 6564512068, 103384156384, 1636124088162, 25973583237174, 411171410014356, 6519608941018384, 103473233282931542, 1639791299611784558, 26009017324816484476]

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

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