cp's OEIS Frontend

A143312 Triangle read by rows, A054525 * A143311, 1<=k<=n.

%I A143312 #2 Mar 30 2012 17:25:31
%S A143312 1,3,2,8,0,3,12,6,0,4,24,0,0,0,5,24,16,9,0,0,6,48,0,0,0,0,0,7,48,24,0,
%T A143312 12,0,0,0,8,72,0,24,0,0,0,0,0,9,72,48,0,0,15,0,0,0,0,10,120,0,0,0,0,0,
%U A143312 0,0,0,0,11,96,48,36,32,0,18,0,0,0,0,0,12,168,0,0,0,0,0,0,0,0,0,0,0,13
%N A143312 Triangle read by rows, A054525 * A143311, 1<=k<=n.
%C A143312 Left border = A007434.
%C A143312 Row sums = A069097: (1, 5, 11, 2, 29, 55,...)
%F A143312 Mobius transform of triangle A143311
%e A143312 First few rows of the triangle =
%e A143312 1;
%e A143312 3, 2;
%e A143312 8, 0, 3;
%e A143312 12, 6, 0, 4;
%e A143312 24, 0, 0, 0, 5;
%e A143312 24, 16, 9, 0, 0, 6;
%e A143312 48, 0, 0, 0, 0, 0, 7;
%e A143312 48, 24, 0, 12, 0, 0, 0, 8;
%e A143312 ...
%Y A143312 Cf. A054525, A143311, A007434, A069097.
%K A143312 nonn,tabl
%O A143312 1,2
%A A143312 _Gary W. Adamson_, Aug 06 2008