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A184464 Half the number of (n+1)X7 binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks 3
1212, 89908, 9016218, 986306398, 112210745828, 13061240432092, 1543735290815166, 184478487695574108, 22229843879368216722, 2696248965558609295818, 328747622872812708911124 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A184467

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..53

EXAMPLE

Some solutions for 3X7

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

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

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

...

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

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

CROSSREFS

Sequence in context: A203661 A203657 A250159 * A204331 A105311 A252125

Adjacent sequences:  A184461 A184462 A184463 * A184465 A184466 A184467

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2011

STATUS

approved

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Last modified December 8 03:17 EST 2021. Contains 349590 sequences. (Running on oeis4.)