

A055528


a(n)=10*a(n1)+n^3, a(0)=0.


0



0, 1, 18, 207, 2134, 21465, 214866, 2149003, 21490542, 214906149, 2149062490, 21490626231, 214906264038, 2149062642577, 21490626428514, 214906264288515, 2149062642889246, 21490626428897373, 214906264288979562, 2149062642889802479, 21490626428898032790
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OFFSET

0,3


COMMENTS

a(n)/10^n converges to 470/2187=0.214906264...


LINKS

Table of n, a(n) for n=0..20.
Index entries for linear recurrences with constant coefficients, signature (14,46,64,41,10).


FORMULA

a(n) = (10^n1)*(470/2187)n^3/9n^2*(10/27)n*(110/243).
G.f.: x*(x^2+4*x+1) / ((x1)^4*(10*x1)).  Colin Barker, Sep 13 2014


PROG

(PARI) concat(0, Vec(x*(x^2+4*x+1)/((x1)^4*(10*x1)) + O(x^100))) \\ Colin Barker, Sep 13 2014


CROSSREFS

Cf. A014824.
Sequence in context: A028025 A109126 A022742 * A304202 A298988 A025959
Adjacent sequences: A055525 A055526 A055527 * A055529 A055530 A055531


KEYWORD

nonn,easy


AUTHOR

Henry Bottomley, Jul 04 2000


EXTENSIONS

Corrected by T. D. Noe, Nov 08 2006
More terms from Colin Barker, Sep 13 2014


STATUS

approved



