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A236006 Number of (n+1)X(4+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock 1

%I #4 Jan 18 2014 13:08:06

%S 17464,389520,8623452,199639388,4771399876,118118574840,3024782577128,

%T 79996751200984,2178566815760276,60872444688621924,

%U 1738300532840898816,50539524613860237520,1490870446811399175936,44489624599894762408316

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

%C Column 4 of A236009

%H R. H. Hardin, <a href="/A236006/b236006.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 18 2014

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)