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Search: id:A108079
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A108079 Sum [i=0..n, C(2n+i,n+i) ]. +0
1
1, 5, 31, 195, 1231, 7798, 49596, 316767, 2031535, 13079352, 84504355, 547707394, 3559971156, 23197272140, 151495214536, 991348425879, 6498704675439, 42669773400220, 280567674704625, 1847219933032320 (list; graph; listen)
OFFSET

0,2

FORMULA

(binomial(3*n+4,n+2)-binomial(2*n+2,n). - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 11 2006

CROSSREFS

Sequence in context: A057426 A015540 A014987 this_sequence A164038 A084235 A002469

Adjacent sequences: A108076 A108077 A108078 this_sequence A108080 A108081 A108082

KEYWORD

nonn

AUTHOR

Ralf Stephan, Jun 03 2005

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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