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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A036338 Composites whose digit length is equal to their number of prime factors (counted with multiplicity). 3
1, 10, 14, 15, 21, 22, 25, 26, 33, 34, 35, 38, 39, 46, 49, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 102, 105, 110, 114, 116, 117, 124, 125, 130, 138, 147, 148, 153, 154, 164, 165, 170, 171, 172, 174, 175, 182, 186, 188, 190, 195, 207 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..59.

C. Rivera, Related puzzle

CROSSREFS

Cf. A036335-A036337.

Sequence in context: A119613 A154371 A172509 * A108793 A100929 A307980

Adjacent sequences:  A036335 A036336 A036337 * A036339 A036340 A036341

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Dec 15 1998

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 November 18 22:50 EST 2019. Contains 329305 sequences. (Running on oeis4.)