1,2

Table of n, a(n) for n=1..101.

a(1)=1 thus 2 appears one time and sequence begins with 1,2. Then 3 appears a(1)+a(2)=3 times and sequence continues 1,2,3,3,3.

Sequence in context: A103586 A194847 A262070 * A085423 A260998 A324728

Adjacent sequences: A117803 A117804 A117805 * A117807 A117808 A117809

nonn

Benoit Cloitre, Apr 29 2006

approved