A221198 Number of n X 5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
8, 720, 58700, 4984812, 433687328, 38397901048, 3437301520640, 309729304158392, 28014137861507600, 2539060159927062472, 230384024072002424484, 20916257751298954797560, 1899514293467279631162576
Offset: 1
Keywords
Examples
Some solutions for n=3 ..1..1..0..1..0....0..0..0..2..1....0..2..2..1..1....1..1..1..2..1 ..0..2..2..2..0....0..2..2..2..1....1..2..1..1..0....0..2..1..0..0 ..1..1..1..2..1....0..1..2..2..0....0..2..0..1..1....1..2..0..2..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..15
Crossrefs
Cf. A221200.
Comments