OFFSET
1,1
EXAMPLE
a(1) = 19 = 19;
a(2) = 19*29 = 551;
a(3) = 19*29*59 = 32509;
a(4) = 19*29*59*79 = 2568211.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jorge Coveiro, Apr 11 2004
STATUS
approved
