login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A017307 a(n) = (10*n + 3)^3. 1
27, 2197, 12167, 35937, 79507, 148877, 250047, 389017, 571787, 804357, 1092727, 1442897, 1860867, 2352637, 2924207, 3581577, 4330747, 5177717, 6128487, 7189057, 8365427, 9663597, 11089567 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (4, -6, 4, -1).

FORMULA

G.f.: (27 + 2089*x + 3541*x^2 + 343*x^3)/(x-1)^4. - R. J. Mathar, Mar 20 2018

PROG

(MAGMA) [(10*n+3)^3: n in [0..35]]; // Vincenzo Librandi, Jul 31 2011

CROSSREFS

Sequence in context: A223476 A013779 A075081 * A167725 A272630 A060629

Adjacent sequences:  A017304 A017305 A017306 * A017308 A017309 A017310

KEYWORD

nonn,easy

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 December 15 13:27 EST 2018. Contains 318149 sequences. (Running on oeis4.)