OFFSET
1,2
LINKS
Simona Grusea and Anthony Labarre, The distribution of cycles in breakpoint graphs of signed permutations, arXiv:1104.3353v1
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 23 2011
EXTENSIONS
Added missing term for n=9, Anthony Labarre, Feb 14 2013
STATUS
approved