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 A184467 T(n,k)=Half the number of (n+1)X(k+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks 12
 3, 7, 7, 26, 35, 26, 91, 244, 244, 91, 334, 1693, 3090, 1693, 334, 1212, 12324, 42874, 42874, 12324, 1212, 4496, 89908, 616534, 1181303, 616534, 89908, 4496, 16809, 667600, 9016218, 33787978, 33787978, 9016218, 667600, 16809, 63442, 5002165 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......3.........7...........26..............91.................334 ......7........35..........244............1693...............12324 .....26.......244.........3090...........42874..............616534 .....91......1693........42874.........1181303............33787978 ....334.....12324.......616534........33787978..........1925704384 ...1212.....89908......9016218.......986306398........112210745828 ...4496....667600....133687638.....29202473260.......6636592203096 ..16809...5002165...2002023718....873679701315.....396770571117114 ..63442..37777626..30215911640..26348265181700...23916105558978568 .240728.286971238.458822048550.799618906955872.1450886078150900726 LINKS R. H. Hardin, Table of n, a(n) for n = 1..180 EXAMPLE Some solutions for 4X3 ..0..0..1....0..0..1....0..0..0....0..0..1....0..1..0....0..1..0....0..0..1 ..0..1..0....1..1..1....1..1..1....0..0..1....0..0..1....1..1..0....1..1..0 ..0..1..0....0..0..1....0..0..1....0..1..1....0..1..0....0..0..1....1..1..0 ..1..1..0....1..0..0....0..0..1....0..1..1....1..1..1....1..0..1....0..0..0 ... ...M..E.......E..P.......E..E.......M..E.......M..E.......P..E.......E..E... ...E..E.......E..P.......E..P.......M..P.......M..E.......E..E.......P..E... ...P..E.......M..M.......M..E.......E..P.......P..P.......M..E.......E..M... CROSSREFS Sequence in context: A121172 A322934 A077629 * A004794 A336719 A272981 Adjacent sequences:  A184464 A184465 A184466 * A184468 A184469 A184470 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 15 2011 STATUS approved

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Last modified September 25 12:23 EDT 2020. Contains 337343 sequences. (Running on oeis4.)