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A007866 Number of `homogenized' N-free graphs with n nodes. 0
1, 2, 4, 14, 44, 164, 614 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
P. J. Cameron, Sequences realized by oligomorphic permutation groups, J. Integ. Seqs. Vol. 3 (2000), #00.1.5.
Jacinta Covington, A universal structure for N-free graphs, Proc. London Math. Soc. (3) 58 (1989), no. 1, 1--16. MR0969544 (89m:03028).
CROSSREFS
Sequence in context: A243323 A128750 A047152 * A226909 A121751 A327644
KEYWORD
nonn,more
AUTHOR
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)