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 A186553 T(n,k)=1/8192 the number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 7
 0, 290, 290, 2972, 19016, 2972, 168200, 1279862, 1279862, 168200, 3090668, 88662978, 177942264, 88662978, 3090668, 111188198, 6215002266, 31976088817, 31976088817, 6215002266, 111188198, 2585394080, 435599518160, 5253540132125 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts ...........0..............290.................2972................168200 .........290............19016..............1279862..............88662978 ........2972..........1279862............177942264...........31976088817 ......168200.........88662978..........31976088817........13544245035035 .....3090668.......6215002266........5253540132125......5541254050323697 ...111188198.....435599518160......891778365437358...2292090739550640497 ..2585394080...30577245619492...149628929202973235.945658119457845662613 .78931270418.2145961447892386.25212444270769802733 LINKS R. H. Hardin, Table of n, a(n) for n = 1..59 EXAMPLE Some solutions for 5X4 ..0..2..0..0....0..2..0..0....2..2..0..0....0..2..0..0....0..2..0..0 ..0..2..0..0....2..0..0..0....0..0..0..0....2..2..0..0....0..0..0..0 ..3..2..0..0....1..0..2..0....1..0..0..0....3..3..0..0....2..2..2..0 ..0..2..0..0....0..1..1..1....0..2..3..3....0..0..0..2....0..0..1..2 ..0..0..0..3....2..2..1..2....2..3..0..0....2..2..2..1....0..1..1..1 CROSSREFS Sequence in context: A180701 A091680 A129245 * A075420 A075421 A332229 Adjacent sequences: A186550 A186551 A186552 * A186554 A186555 A186556 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 23 2011 STATUS approved

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Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)