A239339 Number of nX7 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4

368, 152260, 54774178, 19117551262, 6693244281896, 2331550702010844, 808844678734652790, 280328352590045292898, 97098324777969236740601, 33612953785570810824523855, 11632488891977131786485508436

Offset

1,1

Comments

Column 7 of A239340

Links

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

Example

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

Crossrefs

Sequence in context: A240006 A097501 A239411 * A352224 A294597 A294711

Adjacent sequences: A239336 A239337 A239338 * A239340 A239341 A239342

Keyword

nonn

Author

R. H. Hardin, Mar 16 2014

Status

approved