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Search: id:A000846
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A000846 C(3n,n) - C(2n,n). +0
2
0, 1, 9, 64, 425, 2751, 17640, 112848, 722601, 4638205, 29860259, 192831288, 1248973544, 8112024844, 52820112480, 344712308064, 2254247833257, 14768735480505, 96917273443305, 636948624057900, 4191706659276675 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A000444 A143631 A083328 this_sequence A049684 A037540 A037484

Adjacent sequences: A000843 A000844 A000845 this_sequence A000847 A000848 A000849

KEYWORD

nonn,easy

AUTHOR

Brendan McKay (bdm(AT)cs.anu.edu.au)

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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