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!)
A024027 a(n) = 3^n - n^4. 2
1, 2, -7, -54, -175, -382, -567, -214, 2465, 13122, 49049, 162506, 510705, 1565762, 4744553, 14298282, 42981185, 129056642, 387315513, 1162131146, 3486624401, 10460158722, 31380825353, 94142898986, 282429204705 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

FORMULA

a(n) = 3^n - n^4.

MATHEMATICA

Table[3^n-n^4, {n, 0, 60}] (* Vladimir Joseph Stephan Orlovsky, Feb 15 2011 *)

PROG

(MAGMA) [3^n-n^4 : n in [0..30]]; // Vincenzo Librandi, May 17 2011

CROSSREFS

Sequence in context: A193191 A180720 A168558 * A079410 A283335 A326207

Adjacent sequences:  A024024 A024025 A024026 * A024028 A024029 A024030

KEYWORD

sign

AUTHOR

N. J. A. Sloane

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 30 17:12 EDT 2020. Contains 337440 sequences. (Running on oeis4.)