A217270 Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor.
8, 3025, 772800, 194881600, 48909857500, 12276607432401, 3080781263731464, 773143936621737444, 194021789111058265560, 48690338552261542133284, 12218954146290231642146852, 3066376844585908891388914564
Offset: 1
Keywords
Examples
Some solutions for n=3 ..1..1..0..1..0....1..0..0..1..0....0..1..0..1..0....1..0..0..0..0 ..0..1..2..2..0....2..1..4..2..0....1..3..2..3..1....2..1..1..4..3 ..1..2..0..2..2....0..0..2..1..1....0..0..0..2..1....0..1..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..20
Comments