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.

A250912 Number of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.

Original entry on oeis.org

21553018, 72721157625, 245114118899485, 826125782084148708, 2784331051704024117237, 9384142308556191112974969, 31627738616791159166366474706, 106596185653227343496197522538691
Offset: 1

Views

Author

R. H. Hardin, Nov 28 2014

Keywords

Comments

Column 7 of A250913.

Examples

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

Crossrefs

Cf. A250913.