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.

A218846 Unmatched value maps: number of 5Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 5Xn array.

Table of values

n a(n)
1 1
2 200
3 2043
4 28888
5 346501
6 4299802
7 53372068
8 663615890
9 8258480840
10 102739744908
11 1278038244556
12 15897575084961
13 197757402894222
14 2460009603174968
15 30601283457873781
16 380663991433804098

List of values

[1, 200, 2043, 28888, 346501, 4299802, 53372068, 663615890, 8258480840, 102739744908, 1278038244556, 15897575084961, 197757402894222, 2460009603174968, 30601283457873781, 380663991433804098]

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

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