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1, 4, 24, 168, 1680, 23520, 493920, 15805440, 790272000, 62431488000, 7866367488000, 1589006232576000, 516427025587200000, 270607761407692800000, 228934166150908108800000, 312953005128291384729600000, 691626141333523960252416000000
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listen;
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OFFSET
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0,2
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COMMENTS
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a(n+1)/a(n) is an integer for n>=0, so (a(n)) is a divisibility sequence.
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LINKS
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MATHEMATICA
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w[n_] := Product[LucasL[k] + 3, {k, 0, n}]
(1/5) Table[w[n], {n, 0, 20}]
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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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