login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137701 Semiprime(n)^prime(n). 4
16, 216, 59049, 10000000, 4049565169664, 1946195068359375, 30041942495081691894741, 32064977213018365645815808, 142108547152020037174224853515625 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

FORMULA

a(n) = A001358(n)^A000040(n).

EXAMPLE

a(1) = Semiprime(1)^prime(1) = 4^2 = 16.

a(2) = Semiprime(2)^prime(2) = 6^3 = 216.

a(3) = Semiprime(3)^prime(3) = 9^5 = 59049.

a(4) = Semiprime(4)^prime(4) = 10^7 = 10000000.

CROSSREFS

Cf. A000040, A001358, A051674, A114850, A111096.

Sequence in context: A138454 A235758 A086650 * A080514 A081969 A076097

Adjacent sequences:  A137698 A137699 A137700 * A137702 A137703 A137704

KEYWORD

easy,nonn,less

AUTHOR

Jonathan Vos Post, Apr 27 2008

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 20 23:04 EDT 2021. Contains 347596 sequences. (Running on oeis4.)