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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.

A231835 Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.

Table of values

n a(n)
1 50
2 760
3 52411
4 3477361
5 241961326
6 16599585680
7 1140658285204
8 78428361897720
9 5390322528656652
10 370517687958114665
11 25468098036554313595
12 1750580722347118467767
13 120328698088745644429376

List of values

[50, 760, 52411, 3477361, 241961326, 16599585680, 1140658285204, 78428361897720, 5390322528656652, 370517687958114665, 25468098036554313595, 1750580722347118467767, 120328698088745644429376]

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

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