A008324 Number of simple regular bipartite graphs with 2n nodes.

1, 2, 3, 4, 6, 8, 18, 40, 230, 4296, 431206, 162267272, 201636689771, 777816803942186, 9865957936943931964, 395886667549681689591841, 53716176608076643470621234239, 23524515269630339982914646821899537, 35682168849414944013547274452501768506834

Offset: 0

Author

Brendan McKay

Keywords

• nonn
• hard
• nice

Comments

First differs from A333732 at n = 12. - Andrew Howroyd, Apr 03 2020

Links

• Brendan McKay and E. Rogoyski, Latin squares of order ten, Electron. J. Combinatorics, 2 (1995) #N3.

Crossrefs

Row sums of A008327.

Cf. A033995, A008323, A333732.

Extensions

a(0)=1 prepended and terms a(11) and beyond from Andrew Howroyd, Apr 03 2020