1,2

Next term has 417 digits. In fact the sequence has only four terms and a(4)=400^160.

34012224=(3+4+0+1+2+2+2+4)^phi(3+4+0+1+2+2+2+4) so 34012224 is in the sequence.

Cf. A135234, A135236, A135237.

Sequence in context: A157991 A121390 A157992 this_sequence A053823 A034251 A051241

Adjacent sequences: A135232 A135233 A135234 this_sequence A135236 A135237 A135238

base,fini,nonn,bref

Farideh Firoozbakht (mymontain(AT)yahoo.com), Nov 24 2007