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.

A254172 Number of (5+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

348032, 6159516, 119471400, 2437141776, 47722312832, 910592737776, 17154177879840, 320795556150368, 5990669265231248, 111829906812254944, 2087633151218299392, 38972776946929655072, 727593935236788680400
Offset: 1

Views

Author

R. H. Hardin, Jan 26 2015

Keywords

Comments

Row 5 of A254168

Examples

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