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A184465 Half the number of (n+1)X8 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks 3
4496, 667600, 133687638, 29202473260, 6636592203096, 1543735290815166, 364710845961492808, 87131390011496951676, 20992313186787145920488, 5091049499273022700839604, 1241234020860425300419060324 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A184467

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for 3X8

..0..0..0..1..1..1..1..1....0..0..0..1..1..1..1..1....0..0..1..0..1..1..1..1

..0..0..1..0..1..1..0..1....0..0..0..0..1..1..1..1....1..0..0..1..0..1..1..1

..1..0..0..0..0..1..1..0....1..0..0..1..0..0..1..0....0..0..1..0..0..1..0..1

...

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

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

CROSSREFS

Sequence in context: A031565 A031745 A225625 * A144490 A252470 A252628

Adjacent sequences:  A184462 A184463 A184464 * A184466 A184467 A184468

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2011

STATUS

approved

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Last modified February 15 22:28 EST 2019. Contains 320138 sequences. (Running on oeis4.)