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.

A254174 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Original entry on oeis.org

6440848, 217539476, 9378850720, 399587109728, 16524431408400, 676750215074144, 27196332026497280, 1084445796373438616, 43207926374198188784, 1720925651447157696832, 68523513350608477133408
Offset: 1

Views

Author

R. H. Hardin, Jan 26 2015

Keywords

Comments

Row 7 of A254168

Examples

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