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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.
0
2176856, 5856201636, 18645030828304, 65704518455049396, 240125119409366897752, 896829958958890405161724
OFFSET
1,1
COMMENTS
Column 5 of A183756.
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 06 2011
STATUS
approved