A214356 Number of 6X6X6 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.

16814, 3778867, 205613460, 5193620491, 79817831414, 861351043995, 7118347901224, 47699363705707, 269726763260946, 1325185747304093, 5782740500683900, 22798874223531873, 82318717666693690, 275194896097342957

Offset: 1

Author

R. H. Hardin Jul 13 2012

Keywords

• nonn

Comments

Row 6 of A214352

Examples

			Some solutions for n=1
.......0............0............1............0............1............0
......0.0..........0.0..........1.0..........0.0..........0.1..........1.0
.....0.0.1........0.0.0........1.0.0........1.0.0........0.1.0........1.0.0
....1.0.1.1......1.0.0.1......1.0.0.0......0.1.0.0......0.1.0.0......1.1.0.0
...0.1.0.1.0....1.0.0.1.1....0.1.0.0.0....1.0.1.0.1....0.1.1.0.1....0.1.1.0.0
..0.1.0.0.1.0..1.1.0.0.1.0..1.0.1.0.0.1..1.0.0.1.0.1..0.0.1.1.0.1..0.1.1.0.1.0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..19