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Search: id:A066381
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A066381 Sum_{k=0..n} C(4*n,k). +0
2
1, 5, 37, 299, 2517, 21700, 190051, 1683218, 15033173, 135142796, 1221246132, 11083374659, 100946732307, 922205369324, 8446802334994, 77542088287444, 713250450657109, 6572130378649468, 60652194138406780, 560522209086365852 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A032443, A066380.

Sequence in context: A089303 A046636 A091126 this_sequence A078253 A006442 A084212

Adjacent sequences: A066378 A066379 A066380 this_sequence A066382 A066383 A066384

KEYWORD

nonn

AUTHOR

njas, Dec 23 2001

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Last modified August 8 15:51 EDT 2008. Contains 142751 sequences.


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