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.

A282878 Number of n X n 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

Table of values

n a(n)
1 0
2 2
3 74
4 3762
5 480995
6 128768496
7 79687436788
8 115172557654616
9 393143666098549156
10 3196549492640753656296
11 62216948503916625663186184

List of values

[0, 2, 74, 3762, 480995, 128768496, 79687436788, 115172557654616, 393143666098549156, 3196549492640753656296, 62216948503916625663186184]

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

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