1,2

Sequence is probably infinite.

It seems that a(n) is asymptotic to c*exp(d*n) with d around 0.33...

Cf. A076644.

Sequence in context: A071243 A112086 A070325 this_sequence A046441 A067993 A074131

Adjacent sequences: A076657 A076658 A076659 this_sequence A076661 A076662 A076663

nonn

Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 24 2002