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A119315 Numbers with composite numbers as third divisors. 2
4, 8, 9, 16, 20, 25, 27, 28, 32, 40, 44, 49, 52, 56, 64, 68, 76, 80, 81, 88, 92, 99, 100, 104, 112, 116, 117, 121, 124, 125, 128, 136, 140, 148, 152, 153, 160, 164, 169, 171, 172, 176, 184, 188, 196, 200, 207, 208, 212, 220, 224, 232, 236, 243, 244, 248, 256, 260 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A119316; A025475 and A092259 are subsequences;

m is a term iff A067029(m)>1 and (A001221(m)=1 or A020639(m)^2<=A119288(m)).

LINKS

Table of n, a(n) for n=1..58.

CROSSREFS

Cf. A002808, A000005, A027750.

Sequence in context: A162215 A134344 A324278 * A010390 A003624 A280387

Adjacent sequences:  A119312 A119313 A119314 * A119316 A119317 A119318

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, May 15 2006

STATUS

approved

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Last modified March 2 06:13 EST 2021. Contains 341742 sequences. (Running on oeis4.)