OFFSET
1,1
REFERENCES
Hugo Steinhaus: Studentenfutter, Urania, Leipzig 1991, #1
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
a(3)=a(1)*a(2), a(4)=first digit of (a(2)*a(3)), a(5)=2nd digit of (a(2)*a(3)), a(6)=a(3)*a(4)
PROG
(Haskell)
a093095 n = a093095_list !! (n-1)
a093095_list = f [2, 3] where
f (u : vs@(v : _)) = u : f (vs ++
if w < 10 then [w] else uncurry ((. return) . (:)) $ divMod w 10)
where w = u * v
-- Reinhard Zumkeller, Aug 08 2013
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Bodo Zinser, Mar 20 2004
STATUS
approved