105720domain: NAppears in sequencesErroneous version of A246970.at n=4A246969Number of connected bicubical multigraphs on 2n labeled nodes of two colors.at n=4A246970Numbers k such that k and k+1 are both in A376616.at n=28A376793Expansion of e.g.f. 1/(1 - 2 * arcsinh(x))^(1/2).at n=7A385371