A060178 Sum of orders of all odd permutations of n letters.

0, 2, 6, 36, 260, 1860, 18732, 162176, 1774656, 20909160, 320781560, 4493532912, 72263548656, 1081552065776, 16682494491600, 315573151180800, 7042434106860032, 151228601744085216, 3306518316205792416

Offset

1,2

Links

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

Crossrefs

Cf. A060014, A060015.

Sequence in context: A354413 A177373 A109284 * A096939 A351825 A358080

Adjacent sequences: A060175 A060176 A060177 * A060179 A060180 A060181

Keyword

nonn

Author

Vladeta Jovovic, Mar 18 2001

Status

approved