OFFSET
3,1
COMMENTS
k <= n. Subsidiary sequence: n such that k < n.
EXAMPLE
a(3) = 5*4*3/6 =10. a(4) = 23*22*21*20/4! = 8855.
MAPLE
A109893 := proc(n) local k ; for k from 1 to n do if mul( n!-i, i=1..k) mod ( n! ) = 0 then RETURN( mul(n!-i, i=1..k)/n!) ; fi ; od: end: seq(A109893(n), n=3..12) ; # R. J. Mathar, Feb 13 2008
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jul 13 2005
EXTENSIONS
Corrected and extended by R. J. Mathar, Feb 13 2008
STATUS
approved