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A317090 Positive integers whose prime multiplicities span an initial interval of positive integers. 11
2, 3, 5, 6, 7, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 26, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 55, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first term in this sequence but absent from A179983 is 180.

LINKS

Table of n, a(n) for n=1..66.

MATHEMATICA

normalQ[m_]:=Union[m]==Range[Max[m]];

Select[Range[2, 100], normalQ[FactorInteger[#][[All, 2]]]&]

CROSSREFS

Cf. A001222, A007916, A055932, A056239, A069799, A112798, A124010, A133808.

Cf. A317087, A317088, A317089, A317091, A317092.

Sequence in context: A052485 A109421 A212167 * A179983 A065872 A028741

Adjacent sequences:  A317087 A317088 A317089 * A317091 A317092 A317093

KEYWORD

nonn

AUTHOR

Gus Wiseman, Jul 21 2018

STATUS

approved

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Last modified April 24 00:02 EDT 2019. Contains 322404 sequences. (Running on oeis4.)