OFFSET
0,2
FORMULA
EXAMPLE
Triangle begins : 1 ; 2,0 ; 5,0,0 ; 12,1,0,0 ; 30,4,1,0,0 ; 74,17,4,1,0,0 ; ...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Philippe DELEHAM, Dec 07 2009
STATUS
approved