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A183743 Number of (n+1) X 5 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4. 1
10231, 1389521, 263234281, 55212617129, 12024860660055, 2669694620697299, 600788747889666009, 136582348832416596017, 31294543292138683447483, 7214884502508988515767997, 1671725517531838676446355621 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A183748.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..47

EXAMPLE

Some solutions for 3 X 5:

..2..0..2..0..1....0..0..2..1..2....2..0..1..2..2....1..0..1..2..2

..0..0..2..1..0....1..0..1..2..2....0..0..1..0..1....0..0..1..2..1

..2..2..0..2..1....2..0..2..2..0....1..2..2..2..1....2..0..0..2..0

...

...M..E..P..M.......M..M..P..P.......M..M..E..P.......M..M..P..P...

...E..E..P..E.......M..M..P..P.......M..P..P..E.......M..M..P..P...

CROSSREFS

Sequence in context: A100968 A203056 A252330 * A236743 A031987 A235693

Adjacent sequences:  A183740 A183741 A183742 * A183744 A183745 A183746

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 06 2011

STATUS

approved

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Last modified September 21 16:31 EDT 2021. Contains 347598 sequences. (Running on oeis4.)