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A071835 Largest prime factor of n = floor(sqrt(n)). 1
4, 8, 9, 12, 25, 30, 49, 56, 63, 121, 132, 169, 182, 195, 289, 306, 361, 380, 399, 529, 552, 575, 841, 870, 961, 992, 1023, 1369, 1406, 1443, 1681, 1722, 1849, 1892, 1935, 2209, 2256, 2303, 2809, 2862, 2915, 3481, 3540, 3721, 3782, 3843, 4489, 4556, 4623 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

PROG

(PARI) for(n=2, 10000, if(component(component(factor(n), 1), omega(n))==floor(sqrt(n)), print1(n, ", ")))

CROSSREFS

Sequence in context: A211658 A235054 A292364 * A308416 A010429 A140282

Adjacent sequences:  A071832 A071833 A071834 * A071836 A071837 A071838

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Jun 08 2002

STATUS

approved

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Last modified September 20 22:20 EDT 2019. Contains 327252 sequences. (Running on oeis4.)