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A341303
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a(n) = n!-6*Catalan(n)+5*2^n+4*binomial(n,2)-2*Fibonacci(n)-14*n+20.
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0
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2, 2, 8, 228, 3086, 32998, 336238, 3533094, 39574232, 477773836, 6222604044, 87162325914, 1307616361780, 20922578067962, 355686650879752, 6402370841201732, 121645089807866376, 2432901968797147330, 51090942024922302314, 1124000727228733234894
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listen;
history;
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internal format)
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OFFSET
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3,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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