0,1
a(1)=3
a(2)=31
a(3)=311
a(4)=3119
a(5)=31193
Sequence in context: A037778 A037666 A065837 * A065533 A048550 A108430
Adjacent sequences: A100891 A100892 A100893 * A100895 A100896 A100897
nonn,fini,full,base
Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Jan 10 2005