A278432 Number of nX4 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.

155, 19624, 2116789, 223202074, 23450120081, 2266913897519, 191704868748703, 14075699487073288, 906324694033572285, 51875514109305962403, 2672849198449587976472, 125300087299510807859757

Offset: 1

Author

R. H. Hardin, Nov 22 2016

Keywords

• nonn

Comments

Column 4 of A278435.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..132

Crossrefs

Cf. A278435.