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.

A232042 Number of n X 3 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

Table of values

n a(n)
1 4
2 15
3 80
4 446
5 2477
6 13752
7 76375
8 424115
9 2355221
10 13079032
11 72630752
12 403334385
13 2239803950
14 12438120321
15 69071597937
16 383569664377
17 2130046094920
18 11828611039210
19 65686859759121
20 364773474308192
21 2025666747456127

List of values

[4, 15, 80, 446, 2477, 13752, 76375, 424115, 2355221, 13079032, 72630752, 403334385, 2239803950, 12438120321, 69071597937, 383569664377, 2130046094920, 11828611039210, 65686859759121, 364773474308192, 2025666747456127]

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

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