OFFSET
1,3
LINKS
S. Konyagin and F. Pappalardi, Enumerating permutation polynomials over finite fields by degree, Finite Fields Appl., 8 (2002), 548-553.
FORMULA
a(n) = (A000961(n)-1)!. - Sean A. Irvine, Mar 05 2023
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 10 2002
STATUS
approved