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A251959 Number of (n+2)X(4+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime 1

%I #4 Dec 11 2014 13:07:47

%S 101307,1201953,30761067,736975310,18033590706,446277561777,

%T 10977331490335,270151507070538,6654368971046793,163853444401820371,

%U 4034556015266548836,99349001785304034475,2446379824178507434187

%N Number of (n+2)X(4+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime

%C Column 4 of A251962

%H R. H. Hardin, <a href="/A251959/b251959.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2014

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Last modified July 21 09:16 EDT 2024. Contains 374472 sequences. (Running on oeis4.)