OFFSET
1,2
LINKS
Zak Seidov, Table of n, a(n) for n = 1..33
MAPLE
A166064(1..7)=1, 0, 2, 6, 8, 10, 162; hence a(1)=1/1=1, a(2)=10/(1+0)=10, a(3)=102/(1+0+2)=34, a(4)=1026/(1+0+2+6)=34, a(5)=10268/(1+0+2+6+8)=604, a(6)=1026810/(1+0+2+6+8+10)=38030, a(7)=1026810162/(1+0+2+6+8+10+162)=5432858.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Zak Seidov, Oct 05 2009
STATUS
approved