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.

A198716 Number of n X n 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 1
2 4
3 2027
4 173549032
5 601755060211186
6 56817439251356046537693
7 143258513960209594417739070314380
8 9642423210031999968965088302478619142184723
9 17325184073281687394967689689039757737268207918711712613
10 830989324900948864881160725155158690837481885610384662473963254527609

List of values

[1, 4, 2027, 173549032, 601755060211186, 56817439251356046537693, 143258513960209594417739070314380, 9642423210031999968965088302478619142184723, 17325184073281687394967689689039757737268207918711712613, 830989324900948864881160725155158690837481885610384662473963254527609]

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

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