OFFSET
1,3
EXAMPLE
Set of orders of all degree 5 even permutations is {1,2,3,5} so a(5)=1+2+3+5=11.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Vladeta Jovovic, Mar 19 2001
EXTENSIONS
More terms from David Wasserman, May 29 2002
STATUS
approved