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 A016225 Expansion of 1/((1-x)(1-4x)(1-10x)). 3
 1, 15, 171, 1795, 18291, 184275, 1848211, 18503955, 185126931, 1851618835, 18517586451, 185181456915, 1851836938771, 18518458866195, 185184946575891, 1851850897414675, 18518514700769811, 185185169914190355 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..17. Index entries for linear recurrences with constant coefficients, signature (15,-54,40). FORMULA a(n) = (50*10^n-24*4^n+1)/27. - Paul Barry, Feb 17 2003 a(n) = 14*a(n-1)-40*a(n-2)+1, n>=2. - Vincenzo Librandi, Feb 10 2011 MAPLE A016225 := proc(n) (50*10^n-24*4^n+1)/27 ; end proc: seq(A016225(n), n=0..20) ; # R. J. Mathar, Mar 22 2011 PROG (PARI) Vec(1/((1-x)*(1-4*x)*(1-10*x))+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2012 CROSSREFS Cf. A080249, A080250, A002450. Sequence in context: A240276 A206600 A016172 * A058687 A206594 A354403 Adjacent sequences: A016222 A016223 A016224 * A016226 A016227 A016228 KEYWORD nonn,easy AUTHOR N. J. A. Sloane. STATUS approved

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Last modified November 29 19:34 EST 2023. Contains 367447 sequences. (Running on oeis4.)