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A116877 Generalized Catalan numbers C(2,7;n)=C(7,2;n). +0
1
1, 1, 9, 193, 5881, 212529, 8467113, 359065953, 15899869785, 726714474385, 34027390026505, 1623911649356481, 78700579447559353, 3862817734061600497, 191625298483691960169, 9592547730682848672801, 483950907590044260965145 (list; graph; listen)
OFFSET

0,3

COMMENT

See A116873 for C(2,3;n) and the Derrida et al., Schuetz-Domany and Liggett references.

FORMULA

G.f.: (3+25*x+56*x^2*c(14*x))/((1+7*x)*(3+x)) with the g.f. c(x) for A000108 (Catalan numbers).

CROSSREFS

Sequence in context: A113564 A119291 A113269 this_sequence A081020 A017426 A110807

Adjacent sequences: A116874 A116875 A116876 this_sequence A116878 A116879 A116880

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Mar 24 2006

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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