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A301771 Number of odd chordless cycles in the n-Andrasfai graph. 0
0, 1, 8, 33, 100, 255, 584, 1242, 2496, 4785 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Andrasfai Graph

Eric Weisstein's World of Mathematics, Chordless Cycle

FORMULA

First 10 terms are described by the G.f. x*(x - 3*x^3 + 4*x^4 + x^5)/(-1 + x)^8.

CROSSREFS

Cf. A234602.

Sequence in context: A070736 A051836 A278670 * A070051 A087235 A222346

Adjacent sequences:  A301768 A301769 A301770 * A301772 A301773 A301774

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Mar 26 2018

EXTENSIONS

a(8)-a(10) from Andrew Howroyd, Mar 26 2018

STATUS

approved

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Last modified October 26 14:28 EDT 2021. Contains 348267 sequences. (Running on oeis4.)