A283315 Total number of nontrivial knots (prime or composite) with <= n crossings.

0, 0, 0, 1, 2, 4, 9, 17, 43

Offset

0,5

Links

Table of n, a(n) for n=0..8.

Crossrefs

Equals A283314(n) - 1.

Sequence in context: A123431 A049961 A321736 * A024425 A034685 A046683

Adjacent sequences: A283312 A283313 A283314 * A283316 A283317 A283318

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