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A251883 Number of (n+2)X(6+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime 1

%I #4 Dec 10 2014 10:04:10

%S 256604,725325,2892699,14269266,96631623,615536028,3186483082,

%T 21970640444,143585893407,763905174081,5329570585851,35325618021657,

%U 191417416912064,1344984048889486,9001481313346745,49409963417590684

%N Number of (n+2)X(6+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime

%C Column 6 of A251885

%H R. H. Hardin, <a href="/A251883/b251883.txt">Table of n, a(n) for n = 1..102</a>

%e Some solutions for n=1

%e ..0..1..1..1..3..1..1..1....0..4..3..0..4..3..0..4....1..2..0..1..1..1..3..3

%e ..0..2..0..3..4..0..3..4....3..3..1..1..1..1..3..1....1..0..2..0..3..0..4..3

%e ..3..0..2..3..0..4..1..2....4..0..1..4..0..3..4..0....1..1..0..2..1..2..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 10 2014

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Last modified May 7 08:46 EDT 2024. Contains 372300 sequences. (Running on oeis4.)