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A183742
Number of (n+1) X 4 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
1
1041, 55857, 3631179, 263234281, 19216153673, 1426003404195, 107098914678533, 8126407481779133, 621298001439642413, 47785646470869878477, 3693151367056391264855, 286578277345141339371139
OFFSET
1,1
COMMENTS
Column 3 of A183748.
LINKS
EXAMPLE
Some solutions for 3 X 4:
..1..2..0..1....2..0..2..2....1..2..0..2....0..0..1..2....1..2..2..2
..0..2..0..0....0..0..2..1....0..0..2..1....0..2..1..0....1..0..1..1
..2..0..2..2....0..1..1..1....1..0..2..0....1..1..2..1....0..0..1..1
...
...P..E..M.......M..E..P.......M..E..P.......M..E..E.......E..P..P...
...E..E..E.......M..E..P.......M..E..P.......E..P..E.......M..M..E...
CROSSREFS
Sequence in context: A210259 A233854 A168412 * A252618 A231112 A213811
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 06 2011
STATUS
approved