A183754 Number of (n+1) X 6 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6.

2176856, 5856201636, 18645030828304, 65704518455049396, 240125119409366897752, 896829958958890405161724

Offset

1,1

Comments

Column 5 of A183756.

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for 3 X 6:
..0..0..1..3..0..3....0..0..1..2..1..2....0..0..0..3..1..3....0..0..2..2..1..2
..0..0..0..3..2..3....0..0..0..3..3..2....0..0..0..3..3..3....0..0..0..3..2..2
..0..0..0..1..3..3....0..0..0..3..3..2....0..0..1..2..2..2....0..0..0..2..2..3
...
...M..M..P..P..P.......M..M..E..P..P.......M..M..E..P..P.......M..M..P..P..P...
...M..M..M..P..P.......M..M..E..P..P.......M..M..E..P..P.......M..M..M..P..P...

Crossrefs

Sequence in context: A154874 A258421 A166930 * A049359 A105711 A250491

Adjacent sequences: A183751 A183752 A183753 * A183755 A183756 A183757

Keyword

nonn

Author

R. H. Hardin, Jan 06 2011

Status

approved