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.

A208305 Number of 5 X n nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal or antidiagonal neighbor (colorings ignoring permutations of colors).

Table of values

n a(n)
0 1
1 52
2 21147
3 113503692
4 2475181138384
5 148049849095504726
6 19558496206477343793824
7 4971673449365938875551493054
8 2209363673053161750976745846408452
9 1599235210372714053663919266990430641290
10 1785670329039896818784300269276903576597674264

List of values

[1, 52, 21147, 113503692, 2475181138384, 148049849095504726, 19558496206477343793824, 4971673449365938875551493054, 2209363673053161750976745846408452, 1599235210372714053663919266990430641290, 1785670329039896818784300269276903576597674264]

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

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