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A131433 Number of prime knots on n crossings having Arf invariant 0. 1
0, 0, 0, 0, 1, 1, 3, 10, 25, 82 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Arf Invariant

CROSSREFS

Cf. A131434.

Sequence in context: A026950 A095052 A196984 * A110713 A098702 A100001

Adjacent sequences:  A131430 A131431 A131432 * A131434 A131435 A131436

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Jul 10 2007

STATUS

approved

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Last modified September 25 07:16 EDT 2020. Contains 337335 sequences. (Running on oeis4.)