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 A185614 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum 5
 0, 171, 171, 361, 2121, 361, 3645, 24993, 24993, 3645, 13365, 313105, 554305, 313105, 13365, 94905, 3959747, 16830089, 16830089, 3959747, 94905, 424845, 50512903, 455401149, 1099131565, 455401149, 50512903, 424845, 2682129, 646053371 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts .......0.......171.........361........3645.......13365.........94905 .....171......2121.......24993......313105.....3959747......50512903 .....361.....24993......554305....16830089...455401149...13132512119 ....3645....313105....16830089..1099131565.68751907871.4433660417573 ...13365...3959747...455401149.68751907871 ...94905..50512903.13132512119 ..424845.646053371 .2682129 LINKS R. H. Hardin, Table of n, a(n) for n = 1..40 EXAMPLE Some solutions for 4X3 ..0..1..1....1..2..1....0..0..2....1..1..2....0..2..1....2..0..2....2..2..2 ..2..1..1....0..1..0....2..0..0....2..2..1....0..0..2....2..2..2....0..2..0 ..0..0..1....1..0..1....0..0..0....1..1..2....0..2..1....0..0..0....1..0..1 ..2..2..1....2..1..2....2..0..0....2..1..1....0..0..2....2..2..2....2..2..2 CROSSREFS Sequence in context: A015975 A292090 A186871 * A187140 A185845 A045149 Adjacent sequences:  A185611 A185612 A185613 * A185615 A185616 A185617 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 31 2011 STATUS approved

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Last modified August 15 05:02 EDT 2022. Contains 356123 sequences. (Running on oeis4.)