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Search: id:A130655
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A130655 Catalan transform of Catalan numbers C(n+1) . +0
1
1, 2, 7, 28, 119, 524, 2363, 10844, 50446 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=Sum_{k, 0<=k<=n}A106566(n,k)*A000108(k+1).

CROSSREFS

Cf. A127632 A129442.

Adjacent sequences: A130652 A130653 A130654 this_sequence A130656 A130657 A130658

Sequence in context: A061539 A116078 A090317 this_sequence A005436 A026770 A010683

KEYWORD

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jun 21 2007

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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