A239824 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4

129, 15266, 2405330, 366379173, 54668820459, 8243207656791, 1246285848518417, 188159790209407764, 28411744326144591606, 4291882371849878160532, 648352047493507989834712, 97941932841918812449706827

Offset

1,1

Comments

Row 6 of A239819

Links

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

Example

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

Crossrefs

Sequence in context: A232034 A334360 A342897 * A264370 A196752 A143006

Adjacent sequences: A239821 A239822 A239823 * A239825 A239826 A239827

Keyword

nonn

Author

R. H. Hardin, Mar 27 2014

Status

approved