A233947 Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4

152974, 15596008, 1628628304, 176443282254, 19296601133264, 2123808459730080, 234320529225491746, 25887894176144649524, 2861799608297115864470, 316459395897063296230698, 34999190770414956154885918

Offset

1,1

Comments

Column 6 of A233949

Links

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

Example

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

Crossrefs

Sequence in context: A112625 A118498 A233392 * A172732 A172789 A248594

Adjacent sequences: A233944 A233945 A233946 * A233948 A233949 A233950

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved