A131434 - OEIS

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A131434

Number of prime knots on n crossings having Arf invariant 1.

0, 0, 1, 1, 1, 2, 4, 11, 24, 83 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,6`
	LINKS	`Table of n, a(n) for n=1..10.` `Eric Weisstein's World of Mathematics, Arf Invariant`
	CROSSREFS	`Cf. A131433.` `Sequence in context: A183510 A196195 A205500 * A100550 A071973 A086424` `Adjacent sequences: A131431 A131432 A131433 * A131435 A131436 A131437`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric W. Weisstein, Jul 10, 2007`
	STATUS	`approved`

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Last modified May 21 21:01 EDT 2013. Contains 225504 sequences.