A278732 Number of n X 6 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.

1128, 712406, 506031118, 374757577056, 268284486351027, 183338866913973336, 119979123054325787300, 75059724220196821830976, 44560888984275849849896791, 24904255595102014593384961783

Offset: 1

Author

R. H. Hardin, Nov 27 2016

Keywords

• nonn

Comments

Column 6 of A278734.

Examples

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

Links

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

Crossrefs

Cf. A278734.