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Search: id:A100717
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| A100717 |
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p^p is highest power of p which divides n, where p is some prime divisor of n. |
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+0
2
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| 4, 12, 20, 27, 28, 36, 44, 52, 54, 60, 68, 76, 84, 92, 100, 108, 116, 124, 132, 135, 140, 148, 156, 164, 172, 180, 188, 189, 196, 204, 212, 216, 220, 228, 236, 244, 252, 260, 268, 270, 276, 284, 292, 297, 300, 308, 316, 324, 332, 340, 348, 351, 356, 364, 372
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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For each prime p, the sequence includes all k*p^p for k such that gcd(k,p)=1. - T. D. Noe
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LINKS
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Leroy Quet, Home Page (listed in lieu of email address)
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EXAMPLE
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54 is included because 3^3, but not 3^4, divides 54.
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MATHEMATICA
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fQ[n_] := Union[ Table[ #[[1]] == #[[2]]] & /@ FactorInteger[n]][[ -1]] == True; Select[ Range[2, 375], fQ[ # ] &] (from Robert G. Wilson v Dec 14 2004)
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CROSSREFS
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Cf. A100716.
Sequence in context: A104814 A050426 A061820 this_sequence A030387 A043437 A141065
Adjacent sequences: A100714 A100715 A100716 this_sequence A100718 A100719 A100720
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KEYWORD
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nonn
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AUTHOR
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Leroy Quet Dec 10 2004
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EXTENSIONS
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More terms from T. D. Noe (noe(AT)sspectra.com) and Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 14 2004
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