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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.

A125540 Number of n X n arrays with entries in 1..8 in which adjacent entries differ by 6 or less (adjacent means in x or y directions).

Table of values

n a(n)
0 1
1 8
2 3650
3 97167566
4 149893105802018
5 13409953777346510733710
6 69569862634707662759990393452322
7 20929881875746750076174309956907291103359630

List of values

[1, 8, 3650, 97167566, 149893105802018, 13409953777346510733710, 69569862634707662759990393452322, 20929881875746750076174309956907291103359630]

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

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