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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.

A262915 Number of (n+1)X(6+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 43
3 261
4 2953
5 121507
6 1550557
7 33948145
8 1361585275
9 42115306149
10 1516528236361
11 61572663026659
12 2451674386383133
13 100125715548126961

List of values

[1, 43, 261, 2953, 121507, 1550557, 33948145, 1361585275, 42115306149, 1516528236361, 61572663026659, 2451674386383133, 100125715548126961]

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

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