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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A223794 Number of 7Xn 0..2 arrays with rows, diagonals and antidiagonals unimodal.

Original entry on oeis.org

2187, 4782969, 862007289, 27088106846, 377163884938, 3219192158949, 20229461153969, 106414755617907, 508945269335431
Offset: 1

Views

Author

R. H. Hardin Mar 27 2013

Keywords

Comments

Row 7 of A223789

Examples

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