A079307 Number of n-node labeled mating digraphs whose complements are connected.
1, 2, 47, 3537, 990504, 1052216730, 4368243719790, 71899754628285990, 4719127231162959826680, 1237680394434222243386835240, 1297992518900121521819851167607200
Offset: 1