A234408 Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal

21288, 578080, 14995212, 462953524, 14549138832, 478670480044, 15886650199580, 533501091404568, 17967312031924692, 606986126862531280, 20523360399941872764, 694518680263046221964, 23508716912398645936956

Offset

1,1

Comments

Column 3 of A234412

Links

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

Example

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

Crossrefs

Sequence in context: A345830 A236644 A178282 * A177857 A254385 A254392

Adjacent sequences: A234405 A234406 A234407 * A234409 A234410 A234411

Keyword

nonn

Author

R. H. Hardin, Dec 25 2013

Status

approved