OFFSET
1,3
EXAMPLE
... a(8)=a(6)+a(7), a(9)=left digit of (a(7)+a(8)=13+21=3 4) as 34 is even, a(10)=right digit of (a(7)+a(8)=13+21=3 4) as 34 is even, a(13)=a(9)+a(10) as odd, ...
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Bodo Zinser, Mar 20 2004
STATUS
approved