A166705 Totally multiplicative sequence with a(p) = a(p-1) + 8 for prime p.

1, 9, 17, 81, 89, 153, 161, 729, 289, 801, 809, 1377, 1385, 1449, 1513, 6561, 6569, 2601, 2609, 7209, 2737, 7281, 7289, 12393, 7921, 12465, 4913, 13041, 13049, 13617, 13625, 59049, 13753, 59121, 14329, 23409, 23417, 23481, 23545, 64881, 64889

Offset

1,2

Links

Table of n, a(n) for n=1..41.

Formula

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).

Crossrefs

Sequence in context: A118852 A118527 A193663 * A116526 A197396 A015443

Adjacent sequences: A166702 A166703 A166704 * A166706 A166707 A166708

Keyword

nonn,mult

Author

Jaroslav Krizek, Oct 18 2009

Status

approved