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A017283
a(n) = (10*n + 1)^3.
2
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
0,2
FORMULA
G.f.: (1 + 1327*x + 3943*x^2 + 729*x^3)/(1-x)^4. - Bruno Berselli, Jul 30 2011
MATHEMATICA
(10*Range[0, 30]+1)^3 (* or *) LinearRecurrence[{4, -6, 4, -1}, {1, 1331, 9261, 29791}, 30] (* Harvey P. Dale, Nov 17 2019 *)
PROG
(Magma) [(10*n+1)^3: n in [0..35]]; // Vincenzo Librandi, Jul 30 2011
(PARI) for(n=0, 27, print1((10*n+1)^3", ")); \\ Bruno Berselli, Jul 30 2011
CROSSREFS
Sequence in context: A252347 A295900 A030100 * A017391 A017655 A209844
KEYWORD
nonn,easy
EXTENSIONS
More terms from Bruno Berselli, Jul 30 2011
STATUS
approved