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A235972 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the upper median value of each 2X2 subblock 9

%I #4 Jan 17 2014 16:50:36

%S 256,1964,1964,13194,16744,13194,85476,119770,119770,85476,556486,

%T 856720,872370,856720,556486,3614066,6207010,7116040,7116040,6207010,

%U 3614066,23457361,44922684,60649470,77914322,60649470,44922684,23457361

%N T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the upper median value of each 2X2 subblock

%C Table starts

%C ........256.........1964.........13194...........85476............556486

%C .......1964........16744........119770..........856720...........6207010

%C ......13194.......119770........872370.........7116040..........60649470

%C ......85476.......856720.......7116040........77914322.........886929448

%C .....556486......6207010......60649470.......886929448.......13646551852

%C ....3614066.....44922684.....512448944.....10093660184......206960732188

%C ...23457361....325144432....4326517048....115542593952.....3197537340066

%C ..152354048...2361022844...36654517336...1334376486922....49364486174800

%C ..990262160..17119474440..310058272376..15242379756616...758580259046316

%C .6430004688.124220037442.2622217549676.174871682199140.11656623605416228

%H R. H. Hardin, <a href="/A235972/b235972.txt">Table of n, a(n) for n = 1..144</a>

%F Empirical for column k:

%F k=1: [linear recurrence of order 10] for n>13

%F k=2: [order 29] for n>34

%F k=3: [order 88] for n>95

%e Some solutions for n=2 k=4

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_, Jan 17 2014

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Last modified August 31 18:14 EDT 2024. Contains 375572 sequences. (Running on oeis4.)