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A093617 Numbers n such that there exists a k less than n with k*n and n^2 having an equal number of divisors. 2
18, 50, 75, 90, 98, 108, 126, 144, 147, 150, 198, 234, 242, 245, 294, 300, 306, 324, 338, 342, 350, 363, 384, 400, 414, 450, 490, 500, 507, 522, 525, 540, 550, 558, 578, 588, 600, 605, 630, 640, 648, 650, 666, 720, 722, 726, 735, 738, 756, 774, 784, 825 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A093616(a(n)) < n; complement of A093618.

CROSSREFS

Cf. A000005, A000290, A048691.

Sequence in context: A178398 A071365 A097319 * A089219 A102835 A095990

Adjacent sequences:  A093614 A093615 A093616 * A093618 A093619 A093620

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 06 2004

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Last modified February 15 09:00 EST 2012. Contains 205746 sequences.