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.

A219413 Unmatched value maps: number of 4Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 4Xn array.

Table of values

n a(n)
1 1
2 65
3 1180
4 14737
5 193116
6 2633596
7 35794147
8 484744488
9 6565497170
10 88948580449
11 1205066512034
12 16325845207244
13 221177055650826
14 2996434981248536
15 40594730646344051
16 549964241638455480

List of values

[1, 65, 1180, 14737, 193116, 2633596, 35794147, 484744488, 6565497170, 88948580449, 1205066512034, 16325845207244, 221177055650826, 2996434981248536, 40594730646344051, 549964241638455480]

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

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