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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.

A240326 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

n a(n)
1 14
2 213
3 8091
4 189549
5 3898804
6 113751796
7 2343565571
8 58754628922
9 1550370290554
10 33299137997969
11 861337519232031
12 21016117833481545
13 474930037525217349
14 12220742975175544998
15 287468219917419510614

List of values

[14, 213, 8091, 189549, 3898804, 113751796, 2343565571, 58754628922, 1550370290554, 33299137997969, 861337519232031, 21016117833481545, 474930037525217349, 12220742975175544998, 287468219917419510614]

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

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