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A237099 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock equal 9

%I #4 Feb 03 2014 06:01:45

%S 81,303,303,1178,1735,1178,4783,10466,10466,4783,19735,66831,95954,

%T 66831,19735,83052,428497,944850,944850,428497,83052,352077,2832722,

%U 9188374,14756791,9188374,2832722,352077,1509309,18682733,93666930,223026701

%N T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock equal

%C Table starts

%C .......81........303..........1178............4783.............19735

%C ......303.......1735.........10466...........66831............428497

%C .....1178......10466.........95954..........944850...........9188374

%C .....4783......66831........944850........14756791.........223026701

%C ....19735.....428497.......9188374.......223026701........5118051860

%C ....83052....2832722......93666930......3632023790......129616164248

%C ...352077...18682733.....938845280.....56768589375.....3075529728707

%C ..1509309..125843583....9750633426....943735196093....79508538658723

%C ..6498030..844258374...99519840956..15036281517264..1923687881420041

%C .28174611.5747581507.1043306362002.252233217483293.50184858611822070

%H R. H. Hardin, <a href="/A237099/b237099.txt">Table of n, a(n) for n = 1..179</a>

%F Empirical for column k:

%F k=1: [linear recurrence of order 11]

%F k=2: [order 26]

%F k=3: [order 68]

%e Some solutions for n=3 k=4

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

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_, Feb 03 2014

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Last modified April 24 09:42 EDT 2024. Contains 371935 sequences. (Running on oeis4.)