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 A178614 a(n) = prime(n)!/(n+1)!. 2
 1, 1, 5, 42, 55440, 1235520, 8821612800, 335221286400, 7124122778572800, 221504779785446277120000, 17166620433372086476800000, 2210327142511928825790332928000000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS G. C. Greubel, Table of n, a(n) for n = 1..75 FORMULA a(n) = A039716(n)/A000142(n+2) = A177946(n)/(n+1). MATHEMATICA Table[(Prime[n])!/(n+1)!, {n, 1, 15}] (* G. C. Greubel, Jan 29 2019 *) PROG (PARI) vector(15, n, (prime(n))!/(n+1)!) \\ G. C. Greubel, Jan 29 2019 (Magma) [Factorial(NthPrime(n))/Factorial(n+1): n in [1..15]]; // G. C. Greubel, Jan 29 2019 (Sage) [factorial(nth_prime(n))/factorial(n+1) for n in (1..15)] # G. C. Greubel, Jan 29 2019 CROSSREFS Sequence in context: A216334 A350930 A132487 * A360942 A284170 A067927 Adjacent sequences: A178611 A178612 A178613 * A178615 A178616 A178617 KEYWORD nonn AUTHOR Juri-Stepan Gerasimov, Jun 05 2010 EXTENSIONS a(7) and a(9) corrected by R. J. Mathar, Jun 07 2010 STATUS approved

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Last modified October 3 16:28 EDT 2023. Contains 365868 sequences. (Running on oeis4.)