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A122146 Numbers n such that q(n)=M(n) and 4q(n)<=n, where q(n) is the largest prime divisor of n and M(n) is the largest prime power divisor of n. 2
20, 28, 30, 35, 42, 44, 52, 55, 60, 65, 66, 68, 70, 76, 77, 78, 84, 85, 88, 91, 92, 95, 99, 102, 104, 105, 110, 114, 115, 116, 117, 119, 124, 130, 132, 133, 136, 138, 140, 143, 145, 148, 152, 153, 154, 155, 156, 161, 164, 165, 170, 171, 172, 174, 182, 184, 185 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Cf. A006530, A034699, A122144, A122145.

Sequence in context: A069827 A194674 A059617 * A032482 A024411 A269986

Adjacent sequences:  A122143 A122144 A122145 * A122147 A122148 A122149

KEYWORD

nonn

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), Aug 22 2006

EXTENSIONS

Edited by Ray Chandler, Aug 23 2006

STATUS

approved

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Last modified June 13 14:11 EDT 2021. Contains 345001 sequences. (Running on oeis4.)