login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A134364 a(n) = Product_{k=1..A061395(n)} prime(k)^|A134363(n,k)| for n >= 2; a(1) = 1. 1
1, 2, 3, 4, 5, 2, 7, 8, 9, 30, 11, 12, 13, 42, 3, 16, 17, 6, 19, 180, 105, 66, 23, 72, 25, 78, 27, 252, 29, 2, 31, 32, 165, 102, 5, 4, 37, 114, 195, 1080, 41, 70, 43, 396, 45, 138, 47, 432, 49, 150, 255, 468, 53, 18, 385, 1512, 285, 174, 59, 12, 61, 186, 1575 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
Row 20 of A134363 is {2,-2,1} because 20 = 2^2 * 3^(2-2) * 5^(2-2+1) = 2^2 * 3^0 * 5^1. So a(20) = 2^|2| * 3^|-2| * 5^|1| = 180.
CROSSREFS
Sequence in context: A348990 A348968 A333696 * A338579 A308830 A343252
KEYWORD
nonn
AUTHOR
Leroy Quet, Oct 22 2007
EXTENSIONS
More terms from Jinyuan Wang, Aug 10 2021
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)