A234159 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

131896, 19801468, 2976757624, 454899880956, 69879798953496, 10766110422202828, 1661285969383854576, 256592627333578277468, 39657016096949653310360, 6131908000745739371586100

Offset

1,1

Comments

Column 6 of A234161

Links

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

Example

Some solutions for n=1
..2..1..2..2..1..0..0....1..2..1..2..3..3..2....1..2..1..2..1..2..1
..1..1..2..2..1..1..1....1..1..2..2..3..3..2....2..1..1..2..1..1..1

Crossrefs

Sequence in context: A170800 A204760 A178287 * A345395 A161356 A236735

Adjacent sequences: A234156 A234157 A234158 * A234160 A234161 A234162

Keyword

nonn

Author

R. H. Hardin, Dec 20 2013

Status

approved