login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A039716 a(n) = prime(n)!. 37
2, 6, 120, 5040, 39916800, 6227020800, 355687428096000, 121645100408832000, 25852016738884976640000, 8841761993739701954543616000000, 8222838654177922817725562880000000, 13763753091226345046315979581580902400000000, 33452526613163807108170062053440751665152000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A000142.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..88

FORMULA

a(n) = A000142(A000040(n)).

a(n) = A177946(n)*A000142(n). - Reinhard Zumkeller, May 15 2010

Sum_{n>=1} 1/a(n) = A100124. - Amiram Eldar, Nov 13 2020

MAPLE

A039716 := proc(n)

ithprime(n)! ;

end proc:

seq(A039716(n), n=1..10) ; # R. J. Mathar, Aug 01 2014

MATHEMATICA

Table[Prime[n]!, {n, 1, 8}] (* Vladimir Joseph Stephan Orlovsky, Apr 27 2008 *)

PROG

(Sage)

BB = primes_first_n(14)

L = []

for i in range(13):

L.append(factorial(BB[i]))

L # Zerinvary Lajos, May 14 2007

(PARI) a(n)=prime(n)! \\ Charles R Greathouse IV, Feb 07 2012

(Magma) [Factorial(NthPrime(n)): n in [1..20]]; // Vincenzo Librandi, Apr 21 2014

CROSSREFS

Cf. A000040, A000142, A100124, A177946.

Sequence in context: A058251 A180058 A264470 * A164955 A060001 A181316

Adjacent sequences: A039713 A039714 A039715 * A039717 A039718 A039719

KEYWORD

nonn,easy,nice

AUTHOR

Labos Elemer

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 27 08:42 EST 2023. Contains 359838 sequences. (Running on oeis4.)