A214357 Number of 7X7X7 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.

284724, 293207907, 49555044358, 3160001994563, 107180513854464, 2318511875463567, 35699489509054494, 420636918387554285, 3989623026879608554, 31608512602702469537, 215115456420213959696

Offset: 1

Author

R. H. Hardin Jul 13 2012

Keywords

• nonn

Comments

Row 7 of A214352

Examples

			Some solutions for n=1
........0..............0..............0..............0..............0
.......0.1............0.0............0.0............0.1............0.0
......0.1.0..........0.0.0..........0.0.0..........0.1.1..........1.0.0
.....0.1.0.0........1.0.1.0........0.1.0.1........0.0.1.1........1.1.0.1
....0.0.1.0.0......1.0.1.1.0......0.1.1.0.1......0.0.1.1.0......1.1.0.0.1
...1.0.1.0.0.1....1.1.0.1.1.0....0.1.1.0.1.1....1.0.1.1.0.0....1.1.0.0.1.1
..0.1.0.1.0.1.0..1.1.0.0.1.0.0..0.0.1.0.1.0.1..1.0.1.0.1.0.0..0.1.0.1.0.1.1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..13