1,2
Computed using software at http://cs.anu.edu.au/~bdm/nauty/
Table of n, a(n) for n=1..12.
Cf. A129433, A129421, A005967, A085549, A129430, A129434, A129436
Sequence in context: A190627 A221986 A018445 * A111551 A102929 A105458
Adjacent sequences: A129429 A129430 A129431 * A129433 A129434 A129435
nonn
Brendan McKay (bdm(at)cs.anu.edu.au), Apr 15 2007
approved