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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.

A125542 Number of n X n arrays with entries in 1..9 in which adjacent entries differ by 7 or less (adjacent means in x or y directions).

Table of values

n a(n)
0 1
1 9
2 5987
3 299369303
4 1119629504911493
5 313365607149624564094821
6 6563186624029432821357130152132207
7 10286477666057808275996577778629802367615683611

List of values

[1, 9, 5987, 299369303, 1119629504911493, 313365607149624564094821, 6563186624029432821357130152132207, 10286477666057808275996577778629802367615683611]

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

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