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A017099 a(n) = (8*n + 2)^11. 1

%I #20 Jan 20 2024 16:32:28

%S 2048,100000000000,64268410079232,3670344486987776,70188843638032384,

%T 717368321110468608,4882812500000000000,24986644000165537792,

%U 103510234140112521216,364375289404334925824,1127073856954876807168,3138105960900000000000,8007313507497959524352

%N a(n) = (8*n + 2)^11.

%H Vincenzo Librandi, <a href="/A017099/b017099.txt">Table of n, a(n) for n = 0..10000</a>

%H <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (12,-66,220,-495,792,-924,792,-495,220,-66,12,-1).

%F From _Amiram Eldar_, Apr 24 2023: (Start)

%F a(n) = A017089(n)^11.

%F a(n) = 2^11*A016823(n).

%F Sum_{n>=0} 1/a(n) = 50521*Pi^11/60881161420800 + 2047*zeta(11)/8388608. (End)

%F a(n) = 12*a(n-1) - 66*a(n-2) + 220*a(n-3) - 495*a(n-4) + 792*a(n-5) - 924*a(n-6) + 792*a(n-7) - 495*a(n-8) + 220*a(n-9) - 66*a(n-10) + 12*a(n-11) - a(n-12). - _Wesley Ivan Hurt_, Jan 20 2024

%t (8*Range[0,20]+2)^11 (* _Harvey P. Dale_, Dec 12 2012 *)

%o (Magma) [(8*n+2)^11: n in [0..20]]; // _Vincenzo Librandi_, Jul 12 2011

%Y Cf. A013669, A016823, A017089.

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)