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A131434
Number of prime knots on n crossings having Arf invariant 1.
1
0, 0, 1, 1, 1, 2, 4, 11, 24, 83, 269, 1070
OFFSET
1,6
LINKS
KnotInfo, Table of Knots
Eric Weisstein's World of Mathematics, Arf Invariant
EXAMPLE
For n <= 5, 3_1, 4_1, 5_1 are the prime knots with Arf Invariant 1. - Emma Joe Anderson, Jan 15 2023
CROSSREFS
Cf. A131433.
Sequence in context: A196195 A205500 A342533 * A100550 A329707 A071973
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jul 10 2007
EXTENSIONS
a(11)-a(12) added using data from the KnotInfo database (see Links above) by Emma Joe Anderson, Jan 15 2023
STATUS
approved