A239255 Number of nX7 0..4 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it, modulo 5

4279, 15708373, 53870354874, 184748227954044, 634624599110230148, 2178356930571051243772, 7475436982938232742147042, 25653586976687879862143282564, 88036356618409766791811865605669

Offset

1,1

Comments

Column 7 of A239256

Links

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

Example

Some solutions for n=1
..3..0..0..3..4..3..0....3..0..2..4..3..2..4....3..3..4..2..2..3..4

Crossrefs

Sequence in context: A237459 A259951 A101619 * A252555 A359304 A233888

Adjacent sequences: A239252 A239253 A239254 * A239256 A239257 A239258

Keyword

nonn

Author

R. H. Hardin, Mar 13 2014

Status

approved