OFFSET
0,2
EXAMPLE
Rows are: 1; 3,1; 20,15,1; 175,189,35,1; etc. T(3,1)=C(7,2)^2*3/7=21^2*3/7=189.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Henry Bottomley, Feb 07 2002
STATUS
approved