cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A198070 a(n) = round((n+1/n)^5).

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%I A198070 #27 Mar 20 2023 03:44:38
%S A198070 32,98,412,1387,3802,8918,18593,35409,62785,105101,167817,257593,
%T A198070 382409,551685,776401,1069217,1444593,1918909,2510585,3240201,4130616,
%U A198070 5207092,6497408,8031984,9844000,11969516,14447592,17320408
%N A198070 a(n) = round((n+1/n)^5).
%H A198070 Vincenzo Librandi, <a href="/A198070/b198070.txt">Table of n, a(n) for n = 1..10000</a>
%H A198070 <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (6,-15,20,-15,6,-1).
%F A198070 a(n) = n*(n^4+5*n^2+10) = A197904(n)-1 for n>20. - _Bruno Berselli_, Oct 27 2011
%o A198070 (Magma) [Round((n+1/n)^5): n in [1..60]];
%o A198070 (PARI) a(n)=round((n+1/n)^5) \\ _Charles R Greathouse IV_, Oct 27 2011
%Y A198070 Cf. A014056, A197904.
%K A198070 nonn,easy
%O A198070 1,1
%A A198070 _Vincenzo Librandi_, Oct 21 2011