W. Lang, Oct 10 2008 a(n,m) tabl head (triangle) for A145367 n\m 1 2 3 4 5 6 7 8 9 10... 1 1 0 0 0 0 0 0 0 0 0 2 3 1 0 0 0 0 0 0 0 0 3 6 3 1 0 0 0 0 0 0 0 4 6 15 3 1 0 0 0 0 0 0 5 0 24 15 3 1 0 0 0 0 0 6 0 54 51 15 3 1 0 0 0 0 7 0 36 108 51 15 3 1 0 0 0 8 0 36 198 189 51 15 3 1 0 0 9 0 0 360 360 189 51 15 3 1 0 10 0 0 324 846 603 189 51 15 3 1 . . . The row sums give A145368 = [ 1,4,10,25,43,124,214,493,979,2032,...]. They coincide with those of the partition array A145367. The first column is A008279(3,n-1), n>=1. ############################## e.o.f. ###############################