A221085 Number of n X 6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor.

16, 7921, 3538161, 1572836281, 698931112441, 310569670802169, 137999718103495689, 61319169929186096841, 27246714089760026142649, 12106872439344182585456281, 5379597618528088878788410281, 2390383694455993267729378192681, 1062148995089895377724791607498841

Offset

1,1

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

Some solutions for n=3:
..0..2..2..1..0..0....0..2..1..2..1..1....0..2..1..2..2..0....0..2..2..2..3..2
..0..1..2..0..2..1....0..1..1..0..2..2....0..0..2..0..2..1....0..0..0..0..1..1
..0..3..1..1..2..0....0..1..1..0..3..0....0..3..1..1..1..0....0..2..2..0..1..0

Crossrefs

Column 6 of A221087.

Sequence in context: A088654 A079920 A203390 * A280845 A069986 A366361

Adjacent sequences: A221082 A221083 A221084 * A221086 A221087 A221088

Keyword

nonn

Author

R. H. Hardin, Jan 01 2013

Status

approved