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A187128 a(n) = the least proper divisor of A187104(n) (Numbers with property that the largest proper divisor is a cube). 0
2, 2, 3, 2, 2, 3, 2, 5, 2, 2, 3, 2, 5, 2, 3, 7, 2, 2, 3, 2, 2, 3, 5, 2, 2, 7, 2, 3, 5, 2, 2, 11, 3, 7, 2, 2, 3, 2, 11, 2, 5, 2, 3, 13, 2, 5, 7, 2, 3, 2, 2, 3, 7, 2, 2, 11, 3, 2, 5, 13, 2, 2, 3, 11, 5, 2, 17, 7, 2, 13, 3, 2, 2, 3, 2, 17, 2, 5, 2, 3, 19, 11, 2, 2, 5, 3, 13, 2, 2, 7, 3, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms in A187104 are of the form p*m^3 where p is prime and the least proper divisor of m is not less than p. The sequence gives values of p while values of m are in A187112.

LINKS

Table of n, a(n) for n=1..93.

CROSSREFS

a(n)=A187104(n)/(A187112(n))^3.

Sequence in context: A309674 A270516 A099318 * A255911 A091382 A127808

Adjacent sequences:  A187125 A187126 A187127 * A187129 A187130 A187131

KEYWORD

nonn

AUTHOR

Zak Seidov, Mar 05 2011

STATUS

approved

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Last modified April 8 03:01 EDT 2020. Contains 333312 sequences. (Running on oeis4.)