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A155082 Composites n such that composite is a number of prime factors of composite(n). 0
9, 14, 24, 27, 39, 42, 45, 58, 60, 64, 65, 74, 76, 95, 99, 102, 105, 114, 115, 119, 122, 141, 146, 152, 168, 172, 175, 176, 178, 182, 187, 194, 196, 201, 204, 217, 231, 234, 243, 244, 249, 261, 268, 273, 275, 278, 279, 280, 287, 291, 298, 300, 301, 304, 312 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

If n=9=composite and 2*2*2*2(4)=16=composite(9), then 4=composite and 9=a(1). If n=14=composite and 2*2*2*3(4)=24=composite(14), then 4=composite and 14=a(2). If n=24=composite and 2*2*3*3(4)=36=composite(24), then 4=composite and 24=a(3), etc.

CROSSREFS

Cf. A000040, A002808.

Sequence in context: A001198 A151915 A100263 * A161547 A104812 A093021

Adjacent sequences:  A155079 A155080 A155081 * A155083 A155084 A155085

KEYWORD

nonn,base

AUTHOR

Juri-Stepan Gerasimov, Jan 20 2009

EXTENSIONS

Corrected (45 inserted, 109 removed, 146 replaced by 146 etc.) by R. J. Mathar, May 05 2010

STATUS

approved

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Last modified June 19 16:09 EDT 2013. Contains 226414 sequences.