0,2

Table of n, a(n) for n=0..60.

105 is in the sequence because phi(105)=48 and the digital root of 48 (3) divides 105

Cf. A000010.

Sequence in context: A187414 A187348 A081499 * A128403 A205556 A051244

Adjacent sequences: A117635 A117636 A117637 * A117639 A117640 A117641

nonn,base

Luc Stevens (lms022(AT)yahoo.com), Apr 09 2006

approved