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A262189
a(n) = Fibonacci(n+1)! / Fibonacci(n).
0
1, 2, 3, 40, 8064, 778377600, 3930072474746880000, 14058704716171625754648505221120000000
OFFSET
1,2
FORMULA
a(n) = A060001(n+1) / A000045(n).
EXAMPLE
For n=2, a(n) = Fibonacci(n+1)! / Fibonacci(n) = 2! / 1 = 2.
MATHEMATICA
Array[Fibonacci[# + 1]!/Fibonacci@ # &, {8}] (* Michael De Vlieger, Sep 14 2015 *)
PROG
(PARI) a(n) = fibonacci(n+1)!/fibonacci(n);
vector(10, n, a(n))
(Magma) [Factorial(Fibonacci(n+1)) / Fibonacci(n): n in [1..10]]; // Vincenzo Librandi, Sep 15 2015
CROSSREFS
Sequence in context: A349560 A176366 A157132 * A077336 A242174 A340394
KEYWORD
nonn,easy
AUTHOR
Altug Alkan, Sep 14 2015
STATUS
approved