A230974 Number of (n+2)X(5+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero

1344, 85264, 3512016, 190219264, 11094079744, 630277210000, 35475345905904, 2001432811365376, 113064505811596416, 6385180086748566544, 360544290706698142960, 20359041140793308185600, 1149649924018856097170944

Offset

1,1

Comments

Column 5 of A230977

Links

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

Example

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

Crossrefs

Sequence in context: A202430 A268907 A206321 * A239192 A172686 A270110

Adjacent sequences: A230971 A230972 A230973 * A230975 A230976 A230977

Keyword

nonn

Author

R. H. Hardin, Nov 02 2013

Status

approved