OFFSET
1,3
LINKS
R. Faudree, E. Flandrin and Z. Ryjacek, Claw-free graphs - a survey, Discr. Math., 164 (1997), 87-147.
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 8489dde.
Gordon Royle, 1728404 distinct 12-vertex connected clawfree graphs
Gordon Royle, g6 format
Eric Weisstein's World of Mathematics, Claw-Free Graph
Wikipedia, Claw-free Graph
FORMULA
Inverse Euler transform of A086991. - Andrew Howroyd, Nov 03 2017
MATHEMATICA
EulerInvTransform[seq_] := Module[{final = {}}, For[i = 1, i <= Length[seq], i++, AppendTo[final, i*seq[[i]] - Sum[final[[d]]*seq[[i - d]], {d, i - 1}]]]; Table[Sum[MoebiusMu[i/d]*final[[d]], {d, Divisors[i]}]/i, {i, Length[seq]}]];
CROSSREFS
KEYWORD
nonn,nice,more
AUTHOR
EXTENSIONS
Corrected and extended by Gordon F. Royle, May 16 2003
Term a(14) added by Gordon F. Royle, Aug 06 2008
Term a(15) added using tinygraph by Falk Hüffner, Jan 12 2016
STATUS
approved