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A236598 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock 1

%I #4 Jan 29 2014 07:21:29

%S 2596,55000,1110784,21573924,415734304,8222889690,162119665374,

%T 3173047388586,62026293752944,1218379589339878,23923936803869694,

%U 469011538437221262,9192752095369391452,180350228842915903988

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

%C Column 2 of A236601

%H R. H. Hardin, <a href="/A236598/b236598.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 29 2014

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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)