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A010058 1 if n is a Catalan number else 0. +0
1
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; listen)
OFFSET

0,1

LINKS

Index entries for characteristic functions

CROSSREFS

Cf. A000108.

Sequence in context: A057212 A023959 A076182 this_sequence A140591 A079336 A057215

Adjacent sequences: A010055 A010056 A010057 this_sequence A010059 A010060 A010061

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

page 1

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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