A017271 a(n) = (10*n)^3.
0, 1000, 8000, 27000, 64000, 125000, 216000, 343000, 512000, 729000, 1000000, 1331000, 1728000, 2197000, 2744000, 3375000, 4096000, 4913000, 5832000, 6859000, 8000000, 9261000, 10648000, 12167000
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..10000
- Index entries for linear recurrences with constant coefficients, signature (4, -6, 4, -1).
Programs
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Magma
[(10*n)^3: n in [0..40]]; // Vincenzo Librandi, Jul 28 2011
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Mathematica
(10 Range[0,30])^3 (* or *) LinearRecurrence[{4,-6,4,-1},{0,1000,8000,27000},30] (* Harvey P. Dale, Apr 15 2018 *)
Formula
G.f.: 1000*x*(1 + 4*x + x^2)/(x-1)^4. - R. J. Mathar, Mar 20 2018