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A116584 Number of prime knots with <= n crossings. 0
0, 0, 1, 2, 4, 7, 14, 35, 84, 249, 801, 2977, 12965, 59937, 313230, 1701935 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..16.

M. B. Thistlethwaite, Numbers of knots and links with up to 19 crossings. "These numbers have not been thoroughly checked."

CROSSREFS

Partial sums of A002863.

Cf. A002863, A002864, A086825.

Sequence in context: A325303 A113122 A296984 * A152477 A019998 A002956

Adjacent sequences:  A116581 A116582 A116583 * A116585 A116586 A116587

KEYWORD

hard,nonn

AUTHOR

Jonathan Vos Post, May 09 2006

STATUS

approved

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Last modified February 29 05:25 EST 2020. Contains 332353 sequences. (Running on oeis4.)