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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

%I

%S 0,290,290,2972,19016,2972,168200,1279862,1279862,168200,3090668,

%T 88662978,177942264,88662978,3090668,111188198,6215002266,31976088817,

%U 31976088817,6215002266,111188198,2585394080,435599518160,5253540132125

%N 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

%C Table starts

%C ...........0..............290.................2972................168200

%C .........290............19016..............1279862..............88662978

%C ........2972..........1279862............177942264...........31976088817

%C ......168200.........88662978..........31976088817........13544245035035

%C .....3090668.......6215002266........5253540132125......5541254050323697

%C ...111188198.....435599518160......891778365437358...2292090739550640497

%C ..2585394080...30577245619492...149628929202973235.945658119457845662613

%C .78931270418.2145961447892386.25212444270769802733

%H R. H. Hardin, <a href="/A186553/b186553.txt">Table of n, a(n) for n = 1..59</a>

%e Some solutions for 5X4

%e ..0..2..0..0....0..2..0..0....2..2..0..0....0..2..0..0....0..2..0..0

%e ..0..2..0..0....2..0..0..0....0..0..0..0....2..2..0..0....0..0..0..0

%e ..3..2..0..0....1..0..2..0....1..0..0..0....3..3..0..0....2..2..2..0

%e ..0..2..0..0....0..1..1..1....0..2..3..3....0..0..0..2....0..0..1..2

%e ..0..0..0..3....2..2..1..2....2..3..0..0....2..2..2..1....0..1..1..1

%K nonn,tabl

%O 1,2

%A _R. H. Hardin_ Feb 23 2011

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Last modified October 17 21:17 EDT 2021. Contains 348065 sequences. (Running on oeis4.)