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Search: id:A056762
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| 0, 1, 2, 2, 3, 8, 5, 12, 19, 13, 25, 31, 22, 33, 28, 17, 24, 12, 6, 4, 0, 0, 0, 0
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OFFSET
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1,3
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FORMULA
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Occurrences of odd integers x such that 2^(n-1) < x <= 2^n and the cube of number of divisors is larger than the number: A000005(x)^3>x.
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EXAMPLE
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A056761 is finite and has 267 terms. The last 4 terms arise between 524288 and 1048576: {675675,765765,855855,883575}, thus here a(20)=4. For n>20, a(n)=0.
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CROSSREFS
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Cf. A000005, A029837, A035033-A035035, A034884, A056757-A056767.
Sequence in context: A134574 A100551 A070267 this_sequence A069830 A046652 A091681
Adjacent sequences: A056759 A056760 A056761 this_sequence A056763 A056764 A056765
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Aug 16 2000
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