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.

A219415 Unmatched value maps: number of 6Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 6Xn array.

Table of values

n a(n)
1 1
2 616
3 50077
4 2225293
5 107701719
6 5618116265
7 290895472306
8 14934409278104
9 767037960293079

List of values

[1, 616, 50077, 2225293, 107701719, 5618116265, 290895472306, 14934409278104, 767037960293079]

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

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