A239823 Number of 5Xn 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

57, 2981, 204779, 13597573, 884977259, 58232200212, 3842974545029, 253291756984373, 16698512969146104, 1101377884320804108, 72647284903645567684, 4791845462621985366247, 316083646998469552591720

Offset

1,1

Comments

Row 5 of A239819

Links

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

Example

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

Crossrefs

Sequence in context: A011812 A226848 A022231 * A012058 A122533 A015259

Adjacent sequences: A239820 A239821 A239822 * A239824 A239825 A239826

Keyword

nonn

Author

R. H. Hardin, Mar 27 2014

Status

approved