1,2
a(3)=22 since 22nd Fibonacci number i.e. 17711 contains exactly 3, 1's.
Sequence in context: A056025 A099954 A050955 * A095222 A070299 A159021
Adjacent sequences: A072302 A072303 A072304 * A072306 A072307 A072308
base,nonn
Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 14 2002