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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
OFFSET
1,4
LINKS
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.
Sequence in context: A356781 A113122 A296984 * A152477 A019998 A002956
KEYWORD
hard,nonn
AUTHOR
Jonathan Vos Post, May 09 2006
STATUS
approved