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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.

A232315 Number of (n+1) X (7+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

Table of values

n a(n)
1 1784
2 196698
3 22161823
4 2499669158
5 281959315373
6 31805180533255
7 3587649343841650
8 404689731634719335
9 45649328032459819031
10 5149281019623345273371
11 580843052186352251086893

List of values

[1784, 196698, 22161823, 2499669158, 281959315373, 31805180533255, 3587649343841650, 404689731634719335, 45649328032459819031, 5149281019623345273371, 580843052186352251086893]

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

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