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A236089 Number of (n+1)X(1+1) 0..2 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock 1

%I #4 Jan 19 2014 07:41:33

%S 81,344,1512,6444,28060,119928,519616,2226672,9647072,41385504,

%T 178859072,768389952,3320384320,14272229248,61597584640,264983260416,

%U 1143469114624,4920340250112,21219592558592,91348908986368,393905359921152

%N Number of (n+1)X(1+1) 0..2 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock

%C Column 1 of A236096

%H R. H. Hardin, <a href="/A236089/b236089.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 12*a(n-3) +220*a(n-4) +120*a(n-5) +736*a(n-6) +464*a(n-7) -176*a(n-8) +224*a(n-9) -256*a(n-10) for n>11

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 19 2014

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)