A232300 Number of 6Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally.

1, 8401, 3249889, 877968487, 267483142619, 84130295708483, 26187902385019287, 8136241891839631865, 2529645200623557298353, 786580592473211934495715, 244572157423387608710030975, 76044579489609299365492556559

Offset: 1

Author

R. H. Hardin, Nov 22 2013

Keywords

• nonn

Comments

Row 6 of A232295

Examples

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

Links

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