The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A225484 Expansion of 1/(1 - x^3 - x^4 - x^5 - x^6 + x^9). 3
 1, 0, 0, 1, 1, 1, 2, 2, 3, 4, 6, 8, 10, 14, 20, 26, 36, 49, 66, 90, 123, 167, 227, 308, 420, 571, 776, 1056, 1436, 1952, 2656, 3612, 4912, 6680, 9085, 12356, 16804, 22853, 31081, 42269, 57486, 78182, 106327, 144604 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,7 COMMENTS Limiting ratio is 1.3599997117115008..., the largest real root of 1 - x^3 - x^4 - x^5 - x^6 + x^9 = 0. LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (0,0,1,1,1,1,0,0,-1). MATHEMATICA SeriesCoefficient[Series[1/(1 - x^3 - x^4 - x^5 - x^6 + x^9), {x, 0, 50}], n] PROG (PARI) Vec(1/(1-x^3-x^4-x^5-x^6+x^9)+O(x^99)) \\ Charles R Greathouse IV, May 08 2013 CROSSREFS Cf. A117791, A107293, A204631, A225391, A225482. Sequence in context: A116902 A066447 A035542 * A130081 A141847 A182372 Adjacent sequences: A225481 A225482 A225483 * A225485 A225486 A225487 KEYWORD nonn,easy AUTHOR Roger L. Bagula, May 08 2013 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.

Last modified March 2 01:29 EST 2024. Contains 370447 sequences. (Running on oeis4.)