1,2

Next term, a(10), if it exists, is >A000931(18440) with >2252 digits. - R. J. Mathar, Jan 21 2008

Table of n, a(n) for n=1..9.

Cf. A000931.

Sequence in context: A117600 A117601 A117604 * A026450 A240178 A039863

Adjacent sequences: A117600 A117601 A117602 * A117604 A117605 A117606

nonn,base

Luc Stevens (lms022(AT)yahoo.com), Apr 05 2006

approved