A240405 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

10, 182, 5566, 98837, 3366314, 80283637, 1935005419, 62076655091, 1450984782112, 37906848226235, 1081004222746562, 25964332544993478, 717853781860370092, 19141131451457166560, 479535244327439253477, 13234379418730869182392

Offset

1,1

Comments

Column 6 of A240406

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A095807 A064092 A171513 * A304936 A239764 A364987

Adjacent sequences: A240402 A240403 A240404 * A240406 A240407 A240408

Keyword

nonn

Author

R. H. Hardin, Apr 04 2014

Status

approved