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.

A231832 Number of n X n 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

Table of values

n a(n)
1 4
2 50
3 4508
4 3477361
5 24188209253
6 1254045703514371
7 474822731471136470440
8 1348354196926200275839295164
9 29381088329574641941731352369292061
10 4908846924825797705595322427394823109676747

List of values

[4, 50, 4508, 3477361, 24188209253, 1254045703514371, 474822731471136470440, 1348354196926200275839295164, 29381088329574641941731352369292061, 4908846924825797705595322427394823109676747]

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

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