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.

A221037 Majority value maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 3Xn array.

Table of values

n a(n)
1 1
2 21
3 228
4 1733
5 14277
6 110506
7 870027
8 6717882
9 52248430
10 404872294
11 3137029417
12 24306328888
13 188293396538
14 1458607561162
15 11298886140485
16 87523428512115
17 677973532822056
18 5251692364017630
19 40680417109724197
20 315116602409454269

List of values

[1, 21, 228, 1733, 14277, 110506, 870027, 6717882, 52248430, 404872294, 3137029417, 24306328888, 188293396538, 1458607561162, 11298886140485, 87523428512115, 677973532822056, 5251692364017630, 40680417109724197, 315116602409454269]

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

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