A233631 Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.

34996, 2172148, 130732438, 8271515976, 523893377896, 33375589770090, 2127910272105792, 135782900234876140, 8666180972292385810, 553192151462472516724, 35313982971072808976064, 2254400942972434339537462

Offset

1,1

Comments

Column 4 of A233635

Links

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

Example

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

Crossrefs

Sequence in context: A085847 A319589 A237065 * A281886 A031835 A250525

Adjacent sequences: A233628 A233629 A233630 * A233632 A233633 A233634

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved