OFFSET
1,3
EXAMPLE
The fifth run (after the initial 1) consists of (5*a(5)) = 30 repeated a(5)=6 times. (The first run after the initial 1 consists of one 1. So (a(1),a(2)) = (1,1) actually consists of 2 different runs.)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Leroy Quet, Jul 23 2007
STATUS
approved