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.

A219416 Unmatched value maps: number of 7Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 7Xn array.

Table of values

n a(n)
1 1
2 1897
3 326233
4 27345143
5 2543481662
6 259468310384
7 26219581585508
8 2620294273035729

List of values

[1, 1897, 326233, 27345143, 2543481662, 259468310384, 26219581585508, 2620294273035729]

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

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