A233111 Number of nX6 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

452, 2565169, 16683923848, 109015274761891, 712427482567592092, 4655818309443587944819, 30426461543542804692390703, 198841429156093687790582460286, 1299458167307093973096933933936847

Offset: 1

Author

R. H. Hardin, Dec 04 2013

Keywords

• nonn

Comments

Column 6 of A233113

Examples

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

Links

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