OFFSET
1,4
LINKS
Keith M. Briggs, Combinatorial Graph Theory
CombOS - Combinatorial Object Server, Generate graphs
FORMULA
This is the inverse Euler transform of A006787. - Conjectured by Vladeta Jovovic, Jun 16 2008, proved by Max Alekseyev and Brendan McKay, Jun 17 2008
MATHEMATICA
(* EulerInvTransform is defined in A022562 *)
EulerInvTransform[A006787] (* Jean-François Alcover, May 13 2019, updated Mar 17 2020 *)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 18 2007
EXTENSIONS
Definition corrected by Max Alekseyev and Brendan McKay, Jun 17 2008
STATUS
approved