login
A217369
a(n) = (product of previous terms) * (sum of previous terms), with a(1)=1, a(2)=4.
0
1, 4, 20, 2000, 324000000, 16796264976000000000000
OFFSET
1,2
EXAMPLE
a(3) = (1+4) * (1*4) = 5*4 = 20
CROSSREFS
Sequence in context: A074195 A376049 A332867 * A146342 A103896 A244955
KEYWORD
nonn
AUTHOR
Jon Perry, Oct 01 2012
STATUS
approved