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A198070 Round((n+1/n)^5). 1

%I

%S 32,98,412,1387,3802,8918,18593,35409,62785,105101,167817,257593,

%T 382409,551685,776401,1069217,1444593,1918909,2510585,3240201,4130616,

%U 5207092,6497408,8031984,9844000,11969516,14447592,17320408

%N Round((n+1/n)^5).

%H Vincenzo Librandi, <a href="/A198070/b198070.txt">Table of n, a(n) for n = 1..10000</a>

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (6,-15,20,-15,6,-1).

%F a(n) = n*(n^4+5*n^2+10) = A197904(n)-1 for n>20. - Bruno Berselli, Oct 27 2011

%o (MAGMA) [Round((n+1/n)^5): n in [1..60]];

%o (PARI) a(n)=round((n+1/n)^5) \\ _Charles R Greathouse IV_, Oct 27 2011

%Y Cf. A014056, A197904.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Oct 21 2011

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Last modified October 25 20:21 EDT 2021. Contains 348256 sequences. (Running on oeis4.)