A052437 Number of simple unlabeled n-node graphs with 1 center node.

1, 0, 1, 2, 8, 29, 180, 1463, 20093, 474063, 20334351, 1602439752

Offset: 1

Author

Eric W. Weisstein

Keywords

• nonn
• more

Links

• S. K. Ghosal, J. K. Mandal, Stirling Transform Based Color Image Authentication, Procedia Technology, 2013 Volume 10, 2013, Pages 95-104.
• Eric Weisstein's World of Mathematics, Graph Center.
• Eric Weisstein's World of Mathematics, Stirling Transform.

Crossrefs

Column 1 of A294525 for n > 1.

Cf. A052438, A052439, A052440, A052441.

Extensions

a(8)-a(10) from Andrew Howroyd, Nov 02 2017

a(11)-a(12) from Sean A. Irvine, Nov 23 2021