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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.

A262273 Number of (n+2)X(7+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 103
2 10609
3 129481
4 4403641
5 411861253
6 41261408089
7 3605017226155
8 349760937840517
9 35889961902343951
10 3691924453378494385
11 377481144200284897993
12 38754821017971389203489
13 3991173847744285567358317

List of values

[103, 10609, 129481, 4403641, 411861253, 41261408089, 3605017226155, 349760937840517, 35889961902343951, 3691924453378494385, 377481144200284897993, 38754821017971389203489, 3991173847744285567358317]

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

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