login
A100843
F(P(n)) where P(n) is the unrestricted partition number of n and F(n) is the Fibonacci number.
1
1, 1, 2, 5, 13, 89, 610, 17711, 832040, 267914296, 225851433717, 5527939700884757, 573147844013817084101, 7308805952221443105020355490, 2706074082469569338358691163510069157, 844617150046923109759866426342507997914076076194
OFFSET
1,3
LINKS
FORMULA
a(n) = A000045(A000041(n)). - Michel Marcus, Aug 27 2015
EXAMPLE
a(4) = F(P(4)) = F(5) = 5.
a(8) = F(P(8)) = F(22) = 17711.
MATHEMATICA
Table[Fibonacci[PartitionsP[n]], {n, 1, 20}] (* Stefan Steinerberger, Feb 28 2006 *)
PROG
(Magma) [Fibonacci(NumberOfPartitions(n)): n in [1..20]]; // Vincenzo Librandi, Aug 27 2015
CROSSREFS
Sequence in context: A030426 A075742 A075737 * A082101 A158712 A090472
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, Jan 07 2005
EXTENSIONS
More terms from Stefan Steinerberger, Feb 28 2006
STATUS
approved