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A017638 a(n) = (12n+9)^10. 1

%I #17 Sep 08 2022 08:44:43

%S 3486784401,16679880978201,1531578985264449,34050628916015625,

%T 362033331456891249,2446194060654759801,12157665459056928801,

%U 48398230717929318249,162889462677744140625,480682838924478847449

%N a(n) = (12n+9)^10.

%C From Fermat's little theorem, it follows that all terms are congruent to 1 mod 11 except when n is congruent to 2 mod 11 (because for those n, 12*n+9 is a multiple of 11). - _Alonso del Arte_, Dec 02 2013

%H <a href="/index/Rec#order_11">Index entries for linear recurrences with constant coefficients</a>, signature (11, -55, 165, -330, 462, -462, 330, -165, 55, -11, 1).

%F a(n) = (12*n+9)^10.

%F a(n) = A011557(A017629(n)). - _Wesley Ivan Hurt_, Dec 02 2013

%F a(n) = 11*a(n-1)-55*a(n-2)+165*a(n-3)-330*a(n-4)+462*a(n-5)-462*a(n-6)+330*a(n-7)-165*a(n-8)+55*a(n-9)-11*a(n-10)+a(n-11). - _Wesley Ivan Hurt_, Nov 25 2021

%p A017638:=n->(12*n+9)^10; seq(A017638(n), n=0..20); # _Wesley Ivan Hurt_, Dec 02 2013

%t Table[(12n + 9)^10, {n, 0, 20}] (* _Wesley Ivan Hurt_, Dec 02 2013 *)

%o (Magma) [(12*n+9)^10 : n in [0..20]]; // _Wesley Ivan Hurt_, Nov 25 2021

%Y Cf. A011557, A017629.

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_.

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Last modified May 17 10:20 EDT 2024. Contains 372594 sequences. (Running on oeis4.)