A369827 Number of labeled graphs on 2n nodes with n connected components.

1, 1, 19, 825, 64673, 8692845, 2075942407, 947096199049, 871511924986417, 1641139351778666025, 6294238937330719034075, 48874098188760259868846393, 765415330468764867988682358017, 24118078877292963934598044030624645, 1526534496216469250983883702116378352415

Offset: 0

Author

Alois P. Heinz, Feb 02 2024

Keywords

• nonn

Comments

All terms are odd.

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..79

Crossrefs

Cf. A143543.

Formula

a(n) = A143543(2n,n).