A061774 a(n) = (n-1)!, as n runs through the prime powers >= 1.

1, 1, 2, 6, 24, 720, 5040, 40320, 3628800, 479001600, 1307674368000, 20922789888000, 6402373705728000, 1124000727777607680000, 620448401733239439360000, 403291461126605635584000000, 304888344611713860501504000000, 265252859812191058636308480000000, 8222838654177922817725562880000000

Offset

1,3

Links

Table of n, a(n) for n=1..19.

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

Cf. A000961.

Sequence in context: A277423 A191460 A073475 * A110729 A088258 A227886

Adjacent sequences: A061771 A061772 A061773 * A061775 A061776 A061777

Keyword

nonn,easy

Author

N. J. A. Sloane, Dec 10 2002

Status

approved