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A181529 Natural numbers equal to the sum of two consecutive semiprimes (A118717), but not an integer multiple of a previous term. 1
10, 15, 19, 24, 29, 36, 43, 47, 51, 59, 67, 69, 73, 77, 85, 106, 112, 115, 127, 143, 151, 159, 167, 173, 178, 184, 187, 189, 217, 226, 233, 237, 243, 245, 262, 267, 275, 283, 291, 313, 317, 327, 355, 372, 395, 403, 411, 415, 422, 427, 447, 461, 484, 496, 502 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Essentially A118717 with the multiples removed.

LINKS

Table of n, a(n) for n=1..55.

EXAMPLE

A118717(16)=95 is not in the sequence since 95=5*A181529(3).

A118717(17)=100 is not in the sequence since 100=10*A181529(1).

CROSSREFS

Cf. A118717.

Sequence in context: A285176 A135363 A118717 * A232501 A138593 A004259

Adjacent sequences:  A181526 A181527 A181528 * A181530 A181531 A181532

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto, Oct 27 2010

EXTENSIONS

Edited and extended by Ray Chandler, Oct 31 2010

STATUS

approved

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Last modified October 16 11:59 EDT 2019. Contains 328056 sequences. (Running on oeis4.)