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.

A219445 Unmatched value maps: number of 7Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..1 7Xn array.

Table of values

n a(n)
1 1
2 1035
3 25147
4 465400
5 9230353
6 180983751
7 3553813654
8 70729832177
9 1404298087609
10 27962151080194
11 556217340268058

List of values

[1, 1035, 25147, 465400, 9230353, 180983751, 3553813654, 70729832177, 1404298087609, 27962151080194, 556217340268058]

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

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