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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A070600 Largest number with n prime factors where all factors are less than or equal to n. 0
0, 4, 27, 81, 3125, 15625, 823543, 5764801, 40353607, 282475249, 285311670611, 3138428376721, 302875106592253, 3937376385699289, 51185893014090757, 665416609183179841, 827240261886336764177, 14063084452067724991009 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..18.

EXAMPLE

a(2) = 4 (4=2*2 has 2 factors and 2 is the largest prime number <= 2) a(3) = 27 (27=3*3*3 has 3 factors and 3 is the largest prime number <= 3) a(4) = 81 (81=3*3*3*3 has 4 factors and 3 is the largest prime number <= 4)

CROSSREFS

Sequence in context: A266011 A015238 A298987 * A100488 A220019 A225902

Adjacent sequences:  A070597 A070598 A070599 * A070601 A070602 A070603

KEYWORD

easy,nonn

AUTHOR

Jostein Trondal (jallamekk(AT)hotmail.com), May 13 2002

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 September 19 11:26 EDT 2019. Contains 327193 sequences. (Running on oeis4.)