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Search: id:A015095
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A015095 q-Catalan numbers (recurrence version) for q=10. +0
2
1, 1, 11, 1121, 1123331, 11235577641, 1123580257785051, 1123582505161487376561, 11235827298801257861061293171, 1123582752351801734250808539216885881 (list; graph; listen)
OFFSET

1,3

FORMULA

a(n) = sum_{i=1}^{n-1} q^(i-1) a(i) a(n-i).

CROSSREFS

Sequence in context: A136308 A075600 A078568 this_sequence A167118 A045981 A090507

Adjacent sequences: A015092 A015093 A015094 this_sequence A015096 A015097 A015098

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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