A010058 - OEIS

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A010058

1 if n is a Catalan number else 0.

0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`a(A000108(n)) = 1, a(A092459(n)) = 0. [Reinhard Zumkeller, Mar 29 2011]`
	LINKS	`Index entries for characteristic functions`
	CROSSREFS	`Cf. A000108.` `Sequence in context: A057212 A023959 A076182 * A140591 A203568 A079336` `Adjacent sequences: A010055 A010056 A010057 * A010059 A010060 A010061`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 18:41 EST 2012. Contains 206074 sequences.