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 A187317 T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6 10
 210, 1472, 1472, 10262, 18792, 10262, 71836, 237650, 237650, 71836, 502545, 3029032, 5422402, 3029032, 502545, 3516295, 38586679, 125103786, 125103786, 38586679, 3516295, 24602854, 491649803, 2885253967, 5243407780, 2885253967 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ........210...........1472.............10262................71836 .......1472..........18792............237650..............3029032 ......10262.........237650...........5422402............125103786 ......71836........3029032.........125103786...........5243407780 .....502545.......38586679........2885253967.........219684364642 ....3516295......491649803.......66555378453........9206325629324 ...24602854.....6264576384.....1535446610156......385878307185440 ..172142801....79823385565....35423389400148....16174152113717987 .1204456419..1017110076243...817231843461740...677941845846382141 .8427400133.12960036515411.18853921505477183.28416164592526303012 LINKS R. H. Hardin, Table of n, a(n) for n = 1..97 EXAMPLE Some solutions for 5X4 with a(1,1)=0 ..0..0..1..1....0..0..1..0....0..0..0..1....0..0..1..0....0..0..1..0 ..1..0..1..0....1..1..0..1....1..1..0..1....0..1..0..0....1..0..0..1 ..0..0..1..0....1..1..1..0....1..1..0..0....1..1..1..0....1..0..0..1 ..1..0..1..1....0..0..1..1....0..1..0..1....0..1..1..1....1..0..1..1 ..1..0..1..1....1..0..0..1....1..0..1..0....1..0..0..1....0..1..0..1 CROSSREFS Sequence in context: A157408 A118281 A047633 * A187309 A104902 A135201 Adjacent sequences:  A187314 A187315 A187316 * A187318 A187319 A187320 KEYWORD nonn,tabl AUTHOR R. H. Hardin Mar 08 2011 STATUS approved

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Last modified October 23 20:00 EDT 2019. Contains 328373 sequences. (Running on oeis4.)