login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A154365 Numbers n such that the smallest prime factor of composite(n) + the largest prime factor of composite(n) is prime and the sum of prime factors (with multiplicity) of composite(n) is prime. 0
2, 5, 6, 13, 22, 27, 32, 37, 41, 57, 59, 64, 65, 71, 79, 87, 103, 107, 135, 152, 155, 166, 196, 215, 235, 237, 253, 261, 286, 287, 306, 307, 316, 348, 366, 372, 373, 386, 393, 404, 423, 438, 448, 459, 490, 507, 524, 539, 568, 577, 586, 591, 632, 653, 668, 669 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

CROSSREFS

Sequence in context: A038191 A321472 A087128 * A247959 A243799 A029544

Adjacent sequences:  A154362 A154363 A154364 * A154366 A154367 A154368

KEYWORD

nonn,less

AUTHOR

Juri-Stepan Gerasimov, Jan 08 2009

EXTENSIONS

Edited and extended by Charles R Greathouse IV, Mar 31 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 15 12:29 EDT 2019. Contains 328026 sequences. (Running on oeis4.)