A189101 Expansion of g.f. 1/(1-(x+x^2+x^3+x^4+x^6+x^7)).
1, 1, 2, 4, 8, 15, 30, 59, 115, 225, 441, 863, 1689, 3307, 6474, 12673, 24809, 48567, 95075, 186120, 364352, 713261, 1396290, 2733399, 5350944, 10475089, 20506194, 40143239, 78585017, 153839228, 301158021, 589551538, 1154115087, 2259313307, 4422866209
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..300
- D. Applegate, M. LeBrun, and N. J. A. Sloane, Dismal Arithmetic, J. Int. Seq. 14 (2011) # 11.9.8.
- Index entries for linear recurrences with constant coefficients, signature (1,1,1,1,0,1,1).
Programs
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Maxima
makelist(coeff(taylor(1/(1-(x+x^2+x^3+x^4+x^6+x^7)), x, 0, n), x, n), n, 0, 34); /* Bruno Berselli, Jun 05 2011 */
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PARI
Vec(1/(1-(x+x^2+x^3+x^4+x^6+x^7))+O(x^99)) \\ Charles R Greathouse IV, Feb 26 2014
Comments