cp's OEIS Frontend

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.

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A219888 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 7Xn array.

Original entry on oeis.org

36, 247, 2701, 40239, 565824, 8017398, 113313853, 1558416287
Offset: 1

Views

Author

R. H. Hardin Nov 30 2012

Keywords

Comments

Row 7 of A219883

Examples

			Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....1..0..0....1..1..1....1..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....1..1..1....1..0..0
..1..1..1....1..1..1....1..0..0....1..1..1....0..0..0....1..1..1....1..0..1
..1..1..1....1..1..2....0..0..0....0..0..0....0..1..0....1..0..1....2..1..1
..1..1..2....1..0..1....0..0..0....0..0..0....1..1..1....1..0..0....2..1..1
..1..1..1....1..0..0....0..1..0....0..0..0....1..1..1....2..0..1....2..1..1
..1..1..1....1..0..1....2..1..2....1..0..0....2..1..2....2..1..1....2..1..1
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