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A237694 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal 7

%I #4 Feb 11 2014 12:22:10

%S 256,1120,1120,5038,6964,5038,23838,44648,44648,23838,115028,305054,

%T 408824,305054,115028,567446,2123660,4021892,4021892,2123660,567446,

%U 2840760,15253914,40288632,57342898,40288632,15253914,2840760,14437142

%N T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal

%C Table starts

%C .......256........1120..........5038..........23838..........115028

%C ......1120........6964.........44648.........305054.........2123660

%C ......5038.......44648........408824........4021892........40288632

%C .....23838......305054.......4021892.......57342898.......832743124

%C ....115028.....2123660......40288632......832743124.....17532208572

%C ....567446....15253914.....418287818....12585917094....385376900438

%C ...2840760...111492872....4418514021...194171070966...8672245375519

%C ..14437142...834134686...47970957966..3092262164912.202110825015400

%C ..74266834..6338273516..529234228994.50231979219254

%C .386657722.49073750056.5972920589738

%H R. H. Hardin, <a href="/A237694/b237694.txt">Table of n, a(n) for n = 1..84</a>

%F Empirical for column k:

%F k=1: [linear recurrence of order 34]

%e Some solutions for n=2 k=4

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_, Feb 11 2014

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)