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A017468 a(n) = (11*n + 6)^8. 12

%I #15 Sep 08 2022 08:44:42

%S 1679616,6975757441,377801998336,5352009260481,39062500000000,

%T 191707312997281,722204136308736,2252292232139041,6095689385410816,

%U 14774554437890625,32784148919812096,67675234241018881

%N a(n) = (11*n + 6)^8.

%H Vincenzo Librandi, <a href="/A017468/b017468.txt">Table of n, a(n) for n = 0..10000</a>

%H <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (9,-36,84,-126,126,-84,36,-9,1).

%F From _G. C. Greubel_, Sep 19 2019: (Start)

%F G.f.: (1679616 +6960640897*x +315080647543*x^2 +2202777455589*x^3 + 3909536602339*x^4 +1960512320323*x^5 +243788893317*x^6 +4291451671*x^7 + 390625*x^8)/(1-x)^9.

%F E.g.f.: (1679616 +6974077825*x +181926081535*x^2 +706588143030*x^3 + 828890566581*x^4 +384764689386*x^5 +78448264202*x^6 +6937432876*x^7 + 214358881*x^8)*exp(x). (End)

%p seq((11*n+6)^8, n=0..20); # _G. C. Greubel_, Sep 19 2019

%t (11*Range[20] -5)^8 (* _G. C. Greubel_, Sep 19 2019 *)

%o (Magma) [(11*n+6)^8: n in [0..20]]; // _Vincenzo Librandi_, Sep 04 2011

%o (PARI) vector(20, n, (11*n-5)^8) \\ _G. C. Greubel_, Sep 19 2019

%o (Sage) [(11*n+6)^8 for n in (0..20)] # _G. C. Greubel_, Sep 19 2019

%o (GAP) List([0..20], n-> (11*n+6)^8); # _G. C. Greubel_, Sep 19 2019

%Y Powers of the form (11*n+6)^m: A017461 (m=1), A017462 (m=2), A017463 (m=3), A017464 (m=4), A017465 (m=5), A017466 (m=6), A017467 (m=7), this sequence (m=8), A017469 (m=9), A017470 (m=10), A017471 (m=11), A017472 (m=12).

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)