OFFSET
3,3
COMMENTS
The asymptotic value for large n is 0.07742...*n! See also comment for A079884.
Lim_{n->infinity} a(n)/n! = 3*e/2 - 4. - Hugo Pfoertner, Sep 02 2017
REFERENCES
See under A079884
LINKS
FORMULA
For n>=3 a(n)=floor(c*n!-(n-3)/2) where c=limit n --> infinity a(n)/n!=0.077422742688567853... - Benoit Cloitre, Jan 20 2003
MATHEMATICA
a[3] = 0; a[n_] := n*a[n - 1] + (n - 2)*(n - 3)/2; Table[a[n], {n, 3, 21}]
PROG
FORTRAN program available at link
CROSSREFS
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Jan 16 2003
EXTENSIONS
Edited and extended by Robert G. Wilson v, Jan 22 2003
STATUS
approved