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.

A198978 Number of nX4 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 5
2 481
3 146286
4 53082012
5 19622872903
6 7267830860056
7 2692353648978984
8 997397244990907738
9 369492074075459555844
10 136880688981914387733120
11 50708322978926251631508008
12 18785221234054066344117511329

List of values

[5, 481, 146286, 53082012, 19622872903, 7267830860056, 2692353648978984, 997397244990907738, 369492074075459555844, 136880688981914387733120, 50708322978926251631508008, 18785221234054066344117511329]

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

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