A154366 Numbers n such that the smallest prime factor of composite(n) plus the largest prime factor of composite(n) is composite and the sum of prime factors of composite(n) (with multiplicity) is composite.

1, 3, 4, 7, 8, 9, 12, 15, 16, 17, 20, 21, 23, 25, 26, 28, 31, 33, 35, 38, 40, 43, 45, 46, 49, 50, 52, 55, 56, 58, 60, 61, 62, 63, 66, 67, 68, 69, 70, 72, 77, 78, 81, 82, 83, 84, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98, 100, 101, 102, 104, 105, 106, 108, 110, 111, 115, 118, 119

Offset

1,2

Links

Table of n, a(n) for n=1..68.

Crossrefs

Sequence in context: A187839 A183988 A175054 * A226227 A319736 A100452

Adjacent sequences: A154363 A154364 A154365 * A154367 A154368 A154369

Keyword

nonn,easy,less

Author

Juri-Stepan Gerasimov, Jan 08 2009

Extensions

Corrected and edited by Charles R Greathouse IV, Apr 01 2010

Status

approved