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

0,2

LINKS

Table of n, a(n) for n=0..19.

FORMULA

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

CROSSREFS

Sequence in context: A057426 A015540 A014987 * A164038 A084235 A002469

Adjacent sequences:  A108076 A108077 A108078 * A108080 A108081 A108082

KEYWORD

nonn

AUTHOR

Ralf Stephan, Jun 03 2005

STATUS

approved

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Last modified April 23 22:11 EDT 2014. Contains 240947 sequences.