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A028917 a(n) = (3*n+1)! / (24*n). 0
1, 105, 50400, 64864800, 174356582400, 844757641728000, 6690480522485760000, 80787552309015552000000, 1411520113943119724544000000, 34261827725741345073856512000000, 1118306056968197503210676551680000000, 47790809344535920299708262436044800000000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Table[(3n+1)!/(24n), {n, 10}] (* Harvey P. Dale, Jan 31 2015 *)
PROG
(Magma) [Factorial(3*n+1)/(24*n): n in [1..20]]; // Vincenzo Librandi, Feb 01 2015
CROSSREFS
Sequence in context: A275461 A054862 A348794 * A145627 A305146 A304644
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
a(11)-a(12) from Vincenzo Librandi, Feb 01 2015
STATUS
approved

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)