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A323056
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Numbers with exactly five distinct exponents in their prime factorization, or five distinct parts in their prime signature.
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5
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174636000, 206388000, 244490400, 261954000, 269892000, 274428000, 288943200, 291060000, 301644000, 309582000, 343980000, 349272000, 365148000, 366735600, 377848800, 383292000, 404838000, 411642000, 412776000, 422301600, 433414800, 449820000, 452466000, 457380000
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OFFSET
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1,1
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COMMENTS
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The first term is A006939(5) = 174636000.
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LINKS
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EXAMPLE
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174636000 = 2^5 * 3^4 * 5^3 * 7^2 * 11^1 has five distinct exponents so belongs to the sequence.
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MATHEMATICA
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Select[Range[300000000], Length[Union[Last/@FactorInteger[#]]]==5&]
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PROG
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CROSSREFS
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Cf. A001221, A001222, A006939, A051270, A059404, A071625, A118914, A181819, A182855, A323014, A323022, A323024.
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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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