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A014130
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((n+3)!/6)*product( 2*k+1, k=0..n).
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0
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1, 12, 300, 12600, 793800, 69854400, 8172964800, 1225944720000, 229251662640000, 52269379081920000, 14269540489364160000, 4594792037575259520000, 1723047014090722320000000, 744356310087192042240000000, 366967660872985676824320000000
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OFFSET
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0,2
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LINKS
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MAPLE
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f := n->((n+3)!/6)*product( '2*k+1', 'k'=0..n);
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MATHEMATICA
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Table[(n+3)!/6 Product[2k+1, {k, 0, n}], {n, 0, 20}] (* Harvey P. Dale, Sep 27 2014 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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