OFFSET
1,1
FORMULA
a(n) = (2p(n)-1)!/(p(n)-1)!.
EXAMPLE
a(1) = 2*3 = 6, a(2) = 3*4*5 = 60, a(4) = 7*8*9*10*11*12*13 = 8648640.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 08 2002
EXTENSIONS
More terms from Matthew Conroy, Sep 10 2002
STATUS
approved