A233986 Number of (n+1)X(5+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

16880, 393396, 8950496, 218943540, 5240298896, 128552152496, 3112596618224, 76199608327632, 1851995615156488, 45265148291125252, 1101917512288231344, 26906443672112022160, 655519867375309783680, 15997703494095841815048

Offset

1,1

Comments

Column 5 of A233989

Links

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

Example

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

Crossrefs

Sequence in context: A088164 A234699 A204639 * A170797 A259426 A200973

Adjacent sequences: A233983 A233984 A233985 * A233987 A233988 A233989

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved