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A283315 Total number of nontrivial knots (prime or composite) with <= n crossings. 1
0, 0, 0, 1, 2, 4, 9, 17, 43 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,5
LINKS
CROSSREFS
Equals A283314(n) - 1.
Sequence in context: A123431 A049961 A321736 * A024425 A034685 A046683
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Mar 08 2017, following a suggestion from Daniel Forgues.
EXTENSIONS
a(8) corrected from A086825 by Kyle Miller, Oct 14 2020
STATUS
approved

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Last modified December 7 01:11 EST 2023. Contains 367616 sequences. (Running on oeis4.)