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 A039716 a(n) = prime(n)!. 39
 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

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Last modified December 11 07:17 EST 2023. Contains 367717 sequences. (Running on oeis4.)