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Search: id:A118970
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A118970 3*binomial(5n+2,n)/(4n+3). +0
3
1, 3, 18, 136, 1155, 10530, 100688, 996336, 10116873, 104819165, 1103722620, 11777187240, 127067830773, 1383914371728, 15194457001440, 167996704221280, 1868870731122405, 20903064321375315, 234927317665726686 (list; graph; listen)
OFFSET

0,2
COMMENT

A quadrisection of A118968.

CROSSREFS

Sequence in context: A095776 A114178 A005159 this_sequence A003122 A039618 A127129

Adjacent sequences: A118967 A118968 A118969 this_sequence A118971 A118972 A118973

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 07 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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