A239403 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it, modulo 4.

64, 9811, 1504399, 222457036, 33522573911, 5072216819342, 765206237815409, 115478426410506313, 17442858177037612521, 2634917770699112523591, 398013557514665813580770, 60124899058707592070564461

Offset: 1

Author

R. H. Hardin, Mar 17 2014

Keywords

• nonn

Comments

Column 6 of A239405

Examples

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

Links

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