A181529 Natural numbers equal to the sum of two consecutive semiprimes (A118717), but not an integer multiple of a previous term.

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

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 A362010

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