A238774 Number of nX7 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it

372, 108124, 35640158, 11591229010, 3697656930974, 1196624830872094, 384784855475971422, 123956747366595875798, 39919552979103628547138, 12856324240299526142031482, 4140275724296969459612393060

Offset

1,1

Comments

Column 7 of A238775

Links

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

Example

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

Crossrefs

Sequence in context: A161361 A369822 A265659 * A299832 A203439 A265235

Adjacent sequences: A238771 A238772 A238773 * A238775 A238776 A238777

Keyword

nonn

Author

R. H. Hardin, Mar 05 2014

Status

approved