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A274191
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Numbers that are a product of distinct numbers in A022086.
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3
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3, 6, 9, 15, 18, 24, 27, 39, 45, 54, 63, 72, 90, 102, 117, 135, 144, 162, 165, 189, 216, 234, 267, 270, 306, 351, 360, 378, 405, 432, 495, 567, 585, 612, 648, 699, 702, 801, 810, 918, 936, 945, 990, 1053, 1080, 1131, 1134, 1296, 1485, 1512, 1530, 1602, 1701
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listen;
history;
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internal format)
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OFFSET
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1,1
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COMMENTS
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See the Comment on distinct-product sequences in A160009.
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LINKS
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EXAMPLE
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17 = 3*6; 405 = 3*9*15.
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MATHEMATICA
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f[1] = 3; f[2] = 6; z = 33; f[n_] := f[n - 1] + f[n - 2]; f = Table[f[n], {n, 1, z}]; f
s = {1}; Do[s = Union[s, Select[s*f[[i]], # <= f[[z]] &]], {i, z}]; s1 = Rest[s]
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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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STATUS
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approved
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