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A017043 a(n) = (7*n + 5)^3. 1

%I #16 Mar 04 2024 16:59:04

%S 125,1728,6859,17576,35937,64000,103823,157464,226981,314432,421875,

%T 551368,704969,884736,1092727,1331000,1601613,1906624,2248091,2628072,

%U 3048625,3511808,4019679,4574296,5177717

%N a(n) = (7*n + 5)^3.

%H Vincenzo Librandi, <a href="/A017043/b017043.txt">Table of n, a(n) for n = 0..10000</a>

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-6,4,-1).

%F G.f.: (125 + 1228*x + 697*x^2 + 8*x^3)/(x-1)^4. - _R. J. Mathar_, Jul 14 2016

%t (7 Range[0, 30] + 5)^3 (* _Wesley Ivan Hurt_, Oct 14 2023 *)

%t LinearRecurrence[{4,-6,4,-1},{125,1728,6859,17576},30] (* _Harvey P. Dale_, Mar 04 2024 *)

%o (Magma) [(7*n+5)^3: n in [0..40] ]; // _Vincenzo Librandi_, Jul 18 2011

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

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Last modified May 7 03:31 EDT 2024. Contains 372300 sequences. (Running on oeis4.)