OFFSET
1,3
COMMENTS
a(11) - a(35) were computed from the definition, not from the conjectured formula. - Pontus von Brömssen, Oct 09 2022
LINKS
Eric W. Weisstein, Table of n, a(n) for n = 1..42
Eric Weisstein's World of Mathematics, Andrásfai Graph.
Eric Weisstein's World of Mathematics, Chordless Cycle.
Wikipedia, Andrásfai graph.
R. J. Mathar, Illustrations
FORMULA
Conjectured g.f.: x*(x - 3*x^3 + 4*x^4 + x^5)/(1 - x)^8.
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Mar 26 2018
EXTENSIONS
a(8)-a(10) from Andrew Howroyd, Mar 26 2018
a(11)-a(35) from Pontus von Brömssen, Oct 09 2022
Removed program that was based on the conjectured generating function. - N. J. A. Sloane, Feb 09 2024
STATUS
approved