A233936 Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 16

12880, 85080, 560388, 4772576, 39604088, 441130784, 4313971392, 56743803908, 598848778976, 8443305391368, 91646071697288, 1324262960724308, 14519168847916668, 211520410014129272, 2328220470441684104

Offset

1,1

Comments

Column 3 of A233939

Links

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

Example

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

Crossrefs

Sequence in context: A245793 A251922 A184453 * A360836 A158918 A185885

Adjacent sequences: A233933 A233934 A233935 * A233937 A233938 A233939

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved