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A111399 Numbers in A048945 but not in A111398. 2
120, 168, 210, 216, 256, 264, 270, 280, 312, 330, 360, 378, 384, 390, 408, 420, 440, 456, 462, 480, 504, 510, 520, 540, 546, 552, 570, 594, 600, 616, 630, 640, 660, 672, 680, 690, 696, 702, 714, 728, 744, 750, 756, 760, 770, 780, 792, 798, 840 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

PROG

(PARI) isok(n) = {prd = 1; fordiv(n, d, prd = prd*d); ispower(prd, 4) && (prd != n^4); }  \\ Michel Marcus, Oct 04 2013

CROSSREFS

Cf. A048945, A111398.

Sequence in context: A316835 A179642 A099832 * A030634 A272594 A189975

Adjacent sequences:  A111396 A111397 A111398 * A111400 A111401 A111402

KEYWORD

nonn

AUTHOR

Ant King, Nov 11 2005

EXTENSIONS

More terms from Michel Marcus, Oct 04 2013

STATUS

approved

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Last modified September 24 04:42 EDT 2020. Contains 337317 sequences. (Running on oeis4.)