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!)
A135421 a(n) = 5^n*6^(n^2). 1
1, 30, 32400, 1259712000, 1763193692160000, 88844650093530316800000, 161162887476414617908936704000000, 10524495800322448706290880214277816320000000, 24742299477723936603969643338598393206990805401600000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Hankel transform of A132865.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..25

FORMULA

a(n) = 5^n*6^(n^2) = A000351(n)*A076781(n).

MATHEMATICA

Table[5^n 6^(n^2), {n, 0, 10}] (* Harvey P. Dale, Sep 09 2012 *)

PROG

(Magma) [5^n*6^(n^2): n in [0..10]]; // Vincenzo Librandi, May 30 2011

CROSSREFS

Sequence in context: A159373 A006473 A115459 * A028668 A231815 A291995

Adjacent sequences:  A135418 A135419 A135420 * A135422 A135423 A135424

KEYWORD

nonn

AUTHOR

Philippe Deléham, Dec 11 2007

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 September 28 18:53 EDT 2022. Contains 357081 sequences. (Running on oeis4.)