Table of n, a(n) for n=1..11.
Simona Grusea and Anthony Labarre, The distribution of cycles in breakpoint graphs of signed permutations, arXiv:1104.3353v1
Sequence in context: A205773 A192364 A286918 * A074570 A136781 A225439
Adjacent sequences: A189505 A189506 A189507 * A189509 A189510 A189511
N. J. A. Sloane, Apr 23 2011
Added missing term for n=9, Anthony Labarre, Feb 14 2013