A017283 a(n) = (10*n + 1)^3.
1, 1331, 9261, 29791, 68921, 132651, 226981, 357911, 531441, 753571, 1030301, 1367631, 1771561, 2248091, 2803221, 3442951, 4173281, 5000211, 5929741, 6967871, 8120601, 9393931, 10793861, 12326391, 13997521, 15813251, 17779581, 19902511
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+1)^3: n in [0..35]]; // Vincenzo Librandi, Jul 30 2011
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Mathematica
(10*Range[0,30]+1)^3 (* or *) LinearRecurrence[{4,-6,4,-1},{1,1331,9261,29791},30] (* Harvey P. Dale, Nov 17 2019 *)
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PARI
for(n=0,27,print1((10*n+1)^3",")); \\ Bruno Berselli, Jul 30 2011
Formula
G.f.: (1 + 1327*x + 3943*x^2 + 729*x^3)/(1-x)^4. - Bruno Berselli, Jul 30 2011
Extensions
More terms from Bruno Berselli, Jul 30 2011