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A308548 Number of (not necessarily connected) graceful graphs on n vertices. 0
1, 1, 2, 7, 22, 126, 959, 12046 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Graceful Graph

Eric Weisstein's World of Mathematics, Vertex Count

CROSSREFS

Sequence in context: A217138 A004300 A049369 * A153523 A153551 A125285

Adjacent sequences:  A308545 A308546 A308547 * A308549 A308550 A308551

KEYWORD

nonn,more,changed

AUTHOR

Eric W. Weisstein, Jun 06 2019

EXTENSIONS

a(8) from Eric W. Weisstein, Aug 16 2019

STATUS

approved

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Last modified August 20 18:11 EDT 2019. Contains 326154 sequences. (Running on oeis4.)