A233924 Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 and no adjacent elements equal

15230, 273318, 5389600, 117016814, 2644508910, 61446631860, 1445209360978, 34277771102530, 815537967438972, 19458666839438514, 464512763396314566, 11102011449736037176, 265289173951286586038, 6343430991806988527594

Offset

1,1

Comments

Column 4 of A233928

Links

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

Example

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

Crossrefs

Sequence in context: A031623 A105924 A259395 * A115924 A251952 A205996

Adjacent sequences: A233921 A233922 A233923 * A233925 A233926 A233927

Keyword

nonn

Author

R. H. Hardin, Dec 17 2013

Status

approved