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A060001 a(n) = Fibonacci(n)!. 6
1, 1, 2, 6, 120, 40320, 6227020800, 51090942171709440000, 295232799039604140847618609643520000000, 12696403353658275925965100847566516959580321051449436762275840000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Harry J. Smith, Table of n, a(n) for n=1..14

FORMULA

From Amiram Eldar, Nov 20 2020: (Start)

a(n) = A000142(A000045(n)).

Sum_{n>=1} 1/a(n) = A327558. (End)

MATHEMATICA

Array[Fibonacci[ # ]!&, 12] (* Vladimir Joseph Stephan Orlovsky, Nov 01 2009 *)

PROG

(PARI) a(n) = fibonacci(n)!; \\ Harry J. Smith, Jul 01 2009

(Sage) [factorial(fibonacci(n)) for n in range(0, 15)] # Zerinvary Lajos, Nov 29 2009

CROSSREFS

Cf. A000045, A000142, A003266, A066526, A327558.

Sequence in context: A264470 A039716 A164955 * A181316 A101753 A288185

Adjacent sequences:  A059998 A059999 A060000 * A060002 A060003 A060004

KEYWORD

nonn

AUTHOR

Jason Earls, Mar 14 2001

STATUS

approved

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Last modified February 28 02:43 EST 2021. Contains 341695 sequences. (Running on oeis4.)