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 A253764 T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically 9
 512, 2992, 2992, 16544, 23096, 16544, 82064, 164120, 164120, 82064, 423232, 1135439, 1622944, 1135439, 423232, 2154496, 8385264, 17235224, 17235224, 8385264, 2154496, 11244672, 60838168, 180950650, 259418152, 180950650 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......512......2992.......16544........82064.........423232..........2154496 .....2992.....23096......164120......1135439........8385264.........60838168 ....16544....164120.....1622944.....17235224......180950650.......1922908527 ....82064...1135439....17235224....259418152.....3910850069......59192461388 ...423232...8385264...180950650...3910850069....84039781656....1846710080356 ..2154496..60838168..1922908527..59192461388..1846710080356...58500640474944 .11244672.447022128.20282915690.905139371305.40521984254512.1850596722079477 LINKS R. H. Hardin, Table of n, a(n) for n = 1..262 FORMULA Empirical for column k: k=1: [linear recurrence of order 8] for n>15 EXAMPLE Some solutions for n=2 k=4 ..0..0..0..0..0..1....0..0..0..0..0..1....0..0..0..0..0..1....0..0..0..0..0..0 ..1..1..0..1..0..1....1..1..1..0..1..1....1..0..0..0..0..1....1..1..0..0..1..0 ..1..0..1..0..1..1....1..1..0..0..0..1....0..0..1..0..0..1....0..1..0..1..0..1 ..1..1..0..0..1..0....0..1..1..0..1..1....1..0..0..0..1..1....1..0..1..0..1..0 CROSSREFS Sequence in context: A253801 A253794 A253961 * A253757 A250139 A254168 Adjacent sequences:  A253761 A253762 A253763 * A253765 A253766 A253767 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 11 2015 STATUS approved

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Last modified October 21 09:09 EDT 2020. Contains 337911 sequences. (Running on oeis4.)