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A330698 Numbers k such that there exists a non-Cayley vertex-transitive graph of order k. 2
10, 15, 16, 18, 20, 24, 26, 28, 30, 32, 34, 35, 36, 40, 42, 44, 45, 48, 50, 51, 52, 54, 56, 57, 58, 60, 63, 64, 65, 66, 68, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 88, 90, 91, 92, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 116, 117, 119, 120, 122, 124 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Numbers k for which A185959(k) < A006799(k).
Numbers k for which A006792(k) <> 0.
In the Farrokhi reference, a Cayley number is a number k such that all vertex transitive graphs of order k are Cayley graphs.
LINKS
M. Farrokhi D. G., Cayley numbers
M. Farrokhi D. G., Cayley numbers (GitHub)
CROSSREFS
Sequence in context: A324527 A164865 A253594 * A342593 A046424 A076226
KEYWORD
nonn
AUTHOR
M. Farrokhi D. G., Dec 26 2019
STATUS
approved

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Last modified March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)