A166705 - OEIS

%I #4 Mar 30 2012 19:00:17

%S 1,9,17,81,89,153,161,729,289,801,809,1377,1385,1449,1513,6561,6569,

%T 2601,2609,7209,2737,7281,7289,12393,7921,12465,4913,13041,13049,

%U 13617,13625,59049,13753,59121,14329,23409,23417,23481,23545,64881,64889

%N Totally multiplicative sequence with a(p) = a(p-1) + 8 for prime p.

%F Multiplicative with a(p^e) = (a(p-1)+8)^e. If n = Product p(k)^e(k) then a(n) = Product (a(p(k)-1)+8)^e(k).

%K nonn,mult

%O 1,2

%A _Jaroslav Krizek_, Oct 18 2009