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.

A231841 Number of 3Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

Table of values

n a(n)
1 64
2 422
3 4508
4 52411
5 678660
6 8887871
7 114873933
8 1472320155
9 18811450866
10 240333888755
11 3072777642636
12 39304807956686
13 502807539383400
14 6431904732538361
15 82273333965692552
16 1052378549019652099

List of values

[64, 422, 4508, 52411, 678660, 8887871, 114873933, 1472320155, 18811450866, 240333888755, 3072777642636, 39304807956686, 502807539383400, 6431904732538361, 82273333965692552, 1052378549019652099]

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

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