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A200381
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Products of Lucas numbers.
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6
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1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 29, 32, 33, 36, 42, 44, 47, 48, 49, 54, 56, 58, 63, 64, 66, 72, 76, 77, 81, 84, 87, 88, 94, 96, 98, 99, 108, 112, 116, 121, 123, 126, 128, 132, 141, 144, 147, 152, 154, 162, 168, 174, 176, 188
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Contains 9=3^2, 14=2*7, 21=3*7, 27=3^3, 42=2*3*7, 141 =3*47 etc.
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MATHEMATICA
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lim = 11; luc = LucasL[Range[0, lim]]; luc = Delete[luc, 2]; last = luc[[-1]]; t = {1}; Do[t2 = luc[[n]]^Range[Floor[Log[last]/Log[luc[[n]]]]]; s = Select[Union[Flatten[Outer[Times, t, t2]]], # <= last &]; t = Union[t, s], {n, lim}]; t (* T. D. Noe, Nov 17 2011 *)
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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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