A233946 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4

29970, 1679760, 95457842, 5575336614, 327319305140, 19296601133264, 1138816865389902, 67264062582427834, 3973614297586146048, 234785185012418536432, 13872708251898895945224, 819735564741871576328890

Offset

1,1

Comments

Column 5 of A233949

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A235823 A235581 A224612 * A234735 A106771 A184502

Adjacent sequences: A233943 A233944 A233945 * A233947 A233948 A233949

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved