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A236645 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock 5

%I

%S 81,518,518,3313,5572,3313,21276,59602,59602,21276,136697,642482,

%T 1059502,642482,136697,877196,6911962,19049512,19049512,6911962,

%U 877196,5629192,74396558,341611331,573664384,341611331,74396558,5629192,36133600

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

%C Table starts

%C .........81.........518..........3313..........21276.........136697

%C ........518........5572.........59602.........642482........6911962

%C .......3313.......59602.......1059502.......19049512......341611331

%C ......21276......642482......19049512......573664384....17220590706

%C .....136697.....6911962.....341611331....17220590706...865781100627

%C .....877196....74396558....6135691048...518482030480.43712112471052

%C ....5629192...800122550..110014457016.15568191703124

%C ...36133600..8610775166.1974419685940

%C ..231937284.92635234654

%C .1488661856

%H R. H. Hardin, <a href="/A236645/b236645.txt">Table of n, a(n) for n = 1..60</a>

%F Empirical for column k:

%F k=1: [linear recurrence of order 23]

%e Some solutions for n=2 k=4

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_, Jan 29 2014

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Last modified September 25 18:27 EDT 2022. Contains 356986 sequences. (Running on oeis4.)