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!)
A145283 a(n) = number of monomials in n-th power of polynomial x^3-x-1 0
3, 6, 9, 11, 14, 18, 21, 23, 27, 30, 33, 36, 39, 42, 43, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 101, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168, 171, 174, 177, 180, 183 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(n)=Length[(x^3-x-1)^n]
LINKS
MATHEMATICA
a = {}; k = x^3 - x - 1; m = k; Do[AppendTo[a, Length[m]]; m = Expand[m*k], {n, 1, 100}]; a (*Artur Jasinski*)
CROSSREFS
Sequence in context: A265035 A151926 A166265 * A298792 A177800 A310147
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 06 2008
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 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)