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A016799 a(n) = (3*n + 2)^11. 3

%I #15 Apr 01 2022 09:10:24

%S 2048,48828125,8589934592,285311670611,4049565169664,34271896307633,

%T 204800000000000,952809757913927,3670344486987776,12200509765705829,

%U 36028797018963968,96549157373046875,238572050223552512,550329031716248441,1196683881290399744,2472159215084012303

%N a(n) = (3*n + 2)^11.

%H T. D. Noe, <a href="/A016799/b016799.txt">Table of n, a(n) for n = 0..1000</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 01 2022: (Start)

%F a(n) = A016789(n)^11.

%F Sum_{n>=0} 1/a(n) = 88573*zeta(11)/177147 - 7388*Pi^11/(2511058725*sqrt(3)). (End)

%t (3Range[0,20]+2)^11 (* _Harvey P. Dale_, Apr 25 2011 *)

%Y Cf. A016789, A016790, A016791, A016792, A016793, A016794, A016795, A016796, A016797, A016798.

%Y Subsequence of A008455.

%K nonn,easy

%O 0,1

%A _N. J. A. Sloane_.

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)