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A075184 One half of fourth column of triangle A075181. 1
3, 50, 675, 8820, 117600, 1632960, 23814000, 365904000, 5927644800, 101189088000, 1818030614400, 34326452160000, 679990671360000, 14108934647808000, 306113492805120000, 6933770723303424000 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
Also one half of fourth diagonal of unsigned triangle A048594.
LINKS
FORMULA
a(n)= A075181(n+4, 3)/2 = |A048594(n+4, n+1)|/2, n>=0.
a(n)= -(n+1)!*S1(n+4, n+1)/2 with S1(n, m) := A008275(n, m) (Stirling1).
CROSSREFS
Sequence in context: A249249 A034201 A099346 * A337902 A246283 A326250
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Sep 19, 2002
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)