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A111019 Indices of Catalan numbers that are == 1 mod 3 (cf. A000108). +0
1
1, 11, 12, 13, 29, 30, 31, 35, 36, 37, 83, 84, 85, 89, 90, 91, 107, 108, 109, 119, 120, 121, 245, 246, 247, 251, 252, 253, 269, 270, 271, 281, 282, 283, 323, 324, 325, 335, 336, 337, 353, 354, 355, 359, 360, 361, 731, 732, 733, 737, 738, 739, 755 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A138595 A097932 A031300 this_sequence A048035 A048015 A061082

Adjacent sequences: A111016 A111017 A111018 this_sequence A111020 A111021 A111022

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Sep 09 2005

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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