|
Search: id:A113176
|
|
|
| A113176 |
|
Product{p|n} F(p), where F(p) is the pth Fibonacci number and where the product is over the distict prime divisors of n. |
|
+0 2
|
|
| 1, 1, 2, 1, 5, 2, 13, 1, 2, 5, 89, 2, 233, 13, 10, 1, 1597, 2, 4181, 5, 26, 89, 28657, 2, 5, 233, 2, 13, 514229, 10, 1346269, 1, 178, 1597, 65, 2, 24157817, 4181, 466, 5, 165580141, 26, 433494437, 89, 10, 28657, 2971215073, 2, 13, 5, 3194, 233
(list; graph; listen)
|
|
|
OFFSET
|
1,3
|
|
|
LINKS
|
Leroy Quet, Home Page (listed in lieu of email address)
|
|
FORMULA
|
Multiplicative with a(p^e) = F(p). - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Jun 05 2006
|
|
EXAMPLE
|
63 = 3^2 * 7^1. So a(63) = F(3) * F(7) = 2 * 13 = 26.
|
|
MATHEMATICA
|
b[t_]:=Fibonacci[First[t]] a[n_]:=Apply[Times, Map[b, FactorInteger[n]]] (Peuha)
|
|
CROSSREFS
|
Cf. A113175, A000045.
Sequence in context: A111361 A167160 A082010 this_sequence A113175 A109191 A087123
Adjacent sequences: A113173 A113174 A113175 this_sequence A113177 A113178 A113179
|
|
KEYWORD
|
nonn,mult
|
|
AUTHOR
|
Leroy Quet Oct 16 2005
|
|
EXTENSIONS
|
More terms from Esa Peuha (esa.peuha(AT)helsinki.fi), Oct 26 2005
|
|
|
Search completed in 0.002 seconds
|