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Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column
1

%I #4 Dec 02 2014 19:15:45

%S 54344,609565,6216665,48046512,347024304,2095872247,12096838874,

%T 62069543650,308909778915,1417285188160,6368255665873,26988050241845,

%U 112734111197708,450945325302164,1786032223367459,6845829011544176

%N Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column

%C Column 5 of A251481

%H R. H. Hardin, <a href="/A251479/b251479.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014