A104252 - OEIS

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A104252

Number of oriented prime alternating tangles.

1, 2, 7, 29, 137, 679, 3515, 18677, 101463, 560062, 3132639, 17708417, 100998567, 5803646663, 3356435363, 19519575163 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`P. Zinn-Justin and J.-B. Zuber, On the counting of colored tangles`
	CROSSREFS	`Sequence in context: A074600 A064641 A183608 * A018977 A190736 A030849` `Adjacent sequences: A104249 A104250 A104251 * A104253 A104254 A104255`
	KEYWORD	`nonn,hard`
	AUTHOR	`Ralf Stephan, Feb 27 2005`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.