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A285002 a(n) = floor(Gamma(3n/4)). 2
1, 0, 1, 2, 4, 11, 35, 120, 453, 1871, 8376, 40320, 207358, 1133278, 6552134, 39916800, 255371835, 1710542068, 11964299312, 87178291200, 660355655453, 5189998453040, 42249866656927, 355687428096000, 3092228855290534, 27724322986333718, 256040133328476465 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
COMMENTS
There are three integer-valued interpolations between successive factorials.
LINKS
FORMULA
a(n) = floor(Gamma(3n/4)).
MATHEMATICA
Table[Floor[Gamma[3n/4]], {n, 1, 35}]
CROSSREFS
Sequence in context: A000088 A071794 A234006 * A340338 A107378 A186998
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 17 2017
STATUS
approved

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Last modified March 19 03:33 EDT 2024. Contains 370952 sequences. (Running on oeis4.)