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.

A320212 Number of binary n X n X n permutation arrays (all projections onto 2-dimensional faces yield the all-ones matrix) which yield the all-ones array when repeatedly changing a 0 with three 1 neighbors to 1.

Table of values

n a(n)
1 1
2 2
3 12
4 256
5 26888
6 148958

List of values

[1, 2, 12, 256, 26888, 148958]

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

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