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.

A218835 Unmatched value maps: number of n X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 n X n array.

Table of values

n a(n)
1 1
2 7
3 93
4 3617
5 346501
6 91513161
7 64756459689
8 123101061283146
9 628132409842549671
10 8578834074345612228891
11 313263194520552901427408971

List of values

[1, 7, 93, 3617, 346501, 91513161, 64756459689, 123101061283146, 628132409842549671, 8578834074345612228891, 313263194520552901427408971]

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

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