A089249 - OEIS

%I #2 Mar 31 2012 20:25:01

%S 1,3,4,6,16,11,10,40,55,26,15,80,165,156,57,21,140,385,546,399,120

%N Triangular array read by rows illustrating the connection between A000522 and A008292.

%C The general case corresponding to other diagonals of A046802 can be derived from A046802(m,n) = Sum C(m-1,n-1) * A008292(m-r,n-1).

%e The fifth row of the array is 15 80 165 156 57 resulting from A089249 (1 4 11 26 57 ) times ( 15 20 15 6 1)

%Y Row sums = the third diagonal of A046802.

%Y Cf. A000522, A008292, A046802, A066810, A089072.

%K easy,nonn,tabl

%O 1,2

%A _Alford Arnold_, Dec 11 2003