133356domain: NAppears in sequencesNumber of increasing asymmetric rooted connected graphs where every block is a complete graph.at n=8A035081Coefficients in expansion of 1/E_2^(1/2).at n=4A289565Expansion of (1/x) * Series_Reversion( x / (1 + x^2 / (1 - x)^3)^2 ).at n=10A389659