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A183747 Number of (n+1) X 9 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4. 0
45272931, 526362000253, 8126407481779133, 136582348832416596017, 2387191890453669325850511 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183748.

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for 3 X 9:

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

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

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

...

...M..M..M..M..P..P..P..P.......M..M..M..M..P..P..P..P...

...M..M..M..M..P..P..P..P.......M..M..M..M..P..P..P..P...

CROSSREFS

Sequence in context: A213353 A205263 A087534 * A112444 A083630 A258609

Adjacent sequences:  A183744 A183745 A183746 * A183748 A183749 A183750

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 06 2011

STATUS

approved

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Last modified September 24 14:46 EDT 2021. Contains 347643 sequences. (Running on oeis4.)