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A052437
Number of simple unlabeled n-node graphs with 1 center node.
5
1, 0, 1, 2, 8, 29, 180, 1463, 20093, 474063, 20334351, 1602439752
OFFSET
1,4
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.
Sequence in context: A287045 A009419 A000162 * A131318 A010749 A299415
KEYWORD
nonn,more
EXTENSIONS
a(8)-a(10) from Andrew Howroyd, Nov 02 2017
a(11)-a(12) from Sean A. Irvine, Nov 23 2021
STATUS
approved