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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.

A232083 Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.

Table of values

n a(n)
1 3809
2 1193537
3 164650280
4 34420057373
5 7588839921175
6 1623332441842096
7 346245388962998639
8 73998528709201418867
9 15817322237857233639836
10 3380527884608408309224127
11 722490763842803146891010551

List of values

[3809, 1193537, 164650280, 34420057373, 7588839921175, 1623332441842096, 346245388962998639, 73998528709201418867, 15817322237857233639836, 3380527884608408309224127, 722490763842803146891010551]

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

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