A166663 Totally multiplicative sequence with a(p) = 5p+1 for prime p.

1, 11, 16, 121, 26, 176, 36, 1331, 256, 286, 56, 1936, 66, 396, 416, 14641, 86, 2816, 96, 3146, 576, 616, 116, 21296, 676, 726, 4096, 4356, 146, 4576, 156, 161051, 896, 946, 936, 30976, 186, 1056, 1056, 34606, 206, 6336, 216, 6776, 6656, 1276, 236, 234256

Offset

1,2

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Formula

Multiplicative with a(p^e) = (5p+1)^e. If n = Product p(k)^e(k) then a(n) = Product (5*p(k)+1)^e(k).

Mathematica

a[1] = 1; a[n_] := (fi = FactorInteger[n]; Times @@ ((5*fi[[All, 1]] + 1)^fi[[All, 2]])); Table[a[n], {n, 1, 100}] (* G. C. Greubel, May 22 2016 *)

Crossrefs

Sequence in context: A032051 A085487 A258288 * A032327 A032075 A024147

Adjacent sequences: A166660 A166661 A166662 * A166664 A166665 A166666

Keyword

nonn,mult

Author

Jaroslav Krizek, Oct 18 2009

Status

approved