A240385 Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4

50, 636, 16994, 281186, 8802558, 157432290, 5145703760, 94223623272, 3126551352694, 57696575110386, 1924215336561216, 35602912537978540, 1189410681468072730, 22026730385148887712, 736286341896022349010

Offset

1,1

Comments

Row 5 of A240381

Links

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

Example

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

Crossrefs

Sequence in context: A160336 A231583 A156965 * A282766 A323485 A052460

Adjacent sequences: A240382 A240383 A240384 * A240386 A240387 A240388

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved