A238772 Number of nX5 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it

72, 4106, 258720, 16041854, 976810146, 60277582112, 3697656930974, 227187542722224, 13955749970865816, 857261491476892738, 52658393610889121840, 3234721167229892503186, 198698256597994229328826

Offset

1,1

Comments

Column 5 of A238775

Links

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

Example

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

Crossrefs

Sequence in context: A116312 A111782 A060507 * A225831 A286930 A327375

Adjacent sequences: A238769 A238770 A238771 * A238773 A238774 A238775

Keyword

nonn

Author

R. H. Hardin, Mar 05 2014

Status

approved