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A065424 Catalan-like formula: a(n)=binomial(6m,3m+1)/(9m+18). +0
1
1, 33, 1326, 59432, 2851425, 143291610, 7446255180, 396893583792, 21579377870484, 1192183281903845, 66734212415276406, 3776778437640143208, 215744630060724034270, 12423227699242323077940 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A000108, A065097.

Sequence in context: A130835 A077420 A158688 this_sequence A071268 A012805 A093756

Adjacent sequences: A065421 A065422 A065423 this_sequence A065425 A065426 A065427

KEYWORD

nonn

AUTHOR

Len Smiley (smiley(AT)math.uaa.alaska.edu), Nov 16 2001

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


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