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.

A221029 Majority value maps: number of n 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..2 n X n array.

Table of values

n a(n)
1 1
2 7
3 228
4 24485
5 12239631
6 23287585899
7 183738465400508

List of values

[1, 7, 228, 24485, 12239631, 23287585899, 183738465400508]

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

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