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.

A267660 Number of n X n 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

Table of values

n a(n)
1 1
2 8
3 108
4 3143
5 80404
6 5663798
7 264709135
8 46354321490
9 3947286385526
10 1938755845909663

List of values

[1, 8, 108, 3143, 80404, 5663798, 264709135, 46354321490, 3947286385526, 1938755845909663]

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

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