A233874 Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 21

1128928, 5878272, 46051092, 530983144, 7353231356, 117645672328, 1973200783776, 35656142816164, 649164399442300, 12542136506595712

Offset

1,1

Comments

Column 6 of A233875

Links

Table of n, a(n) for n=1..10.

Example

Some solutions for n=1
..0..7..0..6..0..7..0....0..1..0..4..0..5..0....0..6..1..1..7..0..3
..0..0..0..3..0..0..0....6..4..6..1..6..2..6....6..3..7..4..7..7..3

Crossrefs

Sequence in context: A100365 A363957 A234979 * A084554 A339982 A234554

Adjacent sequences: A233871 A233872 A233873 * A233875 A233876 A233877

Keyword

nonn

Author

R. H. Hardin, Dec 17 2013

Status

approved