A252324 - OEIS

%I #4 Dec 16 2014 18:43:36

%S 723110,7391236,96651850,1374911658,21966758822,361804339326,

%T 6064580742366,102744429638974,1748016658731578,29797124749124402,

%U 508629856632992338,8686308686896513894,148378705721929274262

%N Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 or 6

%C Column 3 of A252325

%H R. H. Hardin, <a href="/A252324/b252324.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 2014