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!)
A135314 a(n) = 7^n*6^(n^2). 2
1, 42, 63504, 3456649728, 6773484887801856, 477827850919028491026432, 1213481763117613016471583634489344, 110942398014527364799038852663129544775958528 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Hankel transform of A130978.

LINKS

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

FORMULA

a(n) = 7^n*6^(n^2) = A000420(n)*A076781(n).

MATHEMATICA

Table[7^n 6^(n^2), {n, 0, 10}] (* Harvey P. Dale, Sep 06 2015 *)

PROG

(MAGMA)[7^n*6^(n^2): n in [0..10]]; // Vincenzo Librandi, May 30 2011

CROSSREFS

Sequence in context: A263058 A299503 A159433 * A135425 A028669 A147687

Adjacent sequences:  A135311 A135312 A135313 * A135315 A135316 A135317

KEYWORD

nonn

AUTHOR

Philippe Deléham, Dec 05 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 28 09:13 EST 2021. Contains 341695 sequences. (Running on oeis4.)