A234106 Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12

56, 608, 7732, 151304, 4093912, 178269116, 10603143992, 1110254693508

Offset

1,1

Comments

Diagonal of A234114

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for n=4
..3..0..3..3..0....0..3..0..0..3....3..0..4..0..3....0..0..3..0..4
..0..3..0..0..3....3..0..3..3..4....3..0..0..0..3....4..0..3..0..0
..3..0..3..3..4....0..3..4..0..3....0..3..3..3..0....0..0..3..0..4
..0..3..4..0..3....4..3..0..0..3....3..0..4..0..3....0..4..3..0..0
..3..0..3..3..4....3..0..3..3..4....4..3..3..3..4....3..3..0..3..3

Crossrefs

Sequence in context: A027793 A244945 A055747 * A219475 A264212 A027813

Adjacent sequences: A234103 A234104 A234105 * A234107 A234108 A234109

Keyword

nonn

Author

R. H. Hardin, Dec 19 2013

Status

approved