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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.

A262911 Number of (n+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 1
2 3
3 15
4 137
5 18190
6 1550557
7 1282949605

List of values

[1, 3, 15, 137, 18190, 1550557, 1282949605]

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