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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A274039 Expansion of (x^4 + x^10) / (1 - 2*x + x^2). 1
 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,6 COMMENTS This g.f. was incorrectly conjectured by Plouffe in his 1992 disseration to be the g.f. for A005377. LINKS Simon Plouffe, Approximations de séries génératrices et quelques conjectures, Dissertation, Université du Québec à Montréal, 1992; arXiv:0911.4975 [math.NT], 2009. Simon Plouffe, 1031 Generating Functions, Appendix to Thesis, Montreal, 1992 Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA G.f.: z^4*(z^2+1)*(z^4-z^2+1)/(z-1)^2. [Simon Plouffe in his 1992 dissertation.] a(n) = 2*(n-6), n>=9. - R. J. Mathar, Jun 09 2016 a(n) = A004279(n-4) for n >= 4. - Georg Fischer, Oct 30 2018 MATHEMATICA CoefficientList[Series[(x^4+x^10)/(1-2x+x^2), {x, 0, 120}], x] (* Harvey P. Dale, Sep 10 2018 *) CROSSREFS Cf. A004279, A005377. Sequence in context: A032956 A004272 A004279 * A005377 A120370 A011866 Adjacent sequences:  A274036 A274037 A274038 * A274040 A274041 A274042 KEYWORD nonn,easy AUTHOR Sean A. Irvine, Jun 07 2016 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 August 17 17:59 EDT 2022. Contains 356189 sequences. (Running on oeis4.)