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A236623 Number of (n+1)X(4+1) 0..3 arrays colored with the maximum plus the lower median of every 2X2 subblock 1

%I #4 Jan 29 2014 08:54:08

%S 272160,16988098,915260934,50317280924,2821311359638,160929826262388,

%T 9099482702234420,511858586682377470,28894291322542381116,

%U 1634454945394126567390,92296072121648146494236

%N Number of (n+1)X(4+1) 0..3 arrays colored with the maximum plus the lower median of every 2X2 subblock

%C Column 4 of A236624

%H R. H. Hardin, <a href="/A236623/b236623.txt">Table of n, a(n) for n = 1..16</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 29 2014

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Last modified May 13 03:50 EDT 2024. Contains 372497 sequences. (Running on oeis4.)