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.

A220389 Majority value maps: number of 4 X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 4 X n array.

Table of values

n a(n)
1 1
2 65
3 753
4 7462
5 96772
6 1191846
7 14300020
8 173237008
9 2099827058
10 25429907185
11 308015025891
12 3730748101061
13 45187679794622
14 547324309089088
15 6629322362588949
16 80295917106362511
17 972563175651344849

List of values

[1, 65, 753, 7462, 96772, 1191846, 14300020, 173237008, 2099827058, 25429907185, 308015025891, 3730748101061, 45187679794622, 547324309089088, 6629322362588949, 80295917106362511, 972563175651344849]

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

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