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A185099
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Indices k for which A185079(k) > k^2.
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1
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18, 21, 22, 24, 30, 36, 40, 48, 52, 56, 70, 80, 82, 85, 86, 90, 93, 94, 100, 102, 105, 115, 116, 118, 129, 132, 135, 165, 177, 180, 182, 183, 189, 201, 203, 205, 210, 213, 214, 216, 217, 224
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OFFSET
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1,1
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COMMENTS
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For other k >= 2, except for 6, 60, 120, 360, 816, 6120, 8280, ..., we have A185079(k) < k^2. In particular, all terms of the sequence are composite numbers.
Conjecture: The sequence is infinite.
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LINKS
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FORMULA
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Limit_{n->oo} a(n)/n^2 = 1.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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