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.
%I A017427 #19 Aug 25 2025 10:00:21
%S A017427 27,2744,15625,46656,103823,195112,328509,512000,753571,1061208,
%T A017427 1442897,1906624,2460375,3112136,3869893,4741632,5735339,6859000,
%U A017427 8120601,9528128,11089567,12812904,14706125
%N A017427 a(n) = (11*n+3)^3.
%H A017427 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-6,4,-1).
%F A017427 a(n) = 4*a(n-1)-6*a(n-2)+ 4*a(n-3)- a(n-4). - _Harvey P. Dale_, Apr 01 2012
%F A017427 a(n) = A000578(A017425(n))). - _Michel Marcus_, Aug 25 2025
%t A017427 (11Range[0,30]+3)^3 (* or *) LinearRecurrence[{4,-6,4,-1},{27,2744,15625,46656},30] (* _Harvey P. Dale_, Apr 01 2012 *)
%Y A017427 Cf. A000578, A017425.
%K A017427 nonn,easy,changed
%O A017427 0,1
%A A017427 _N. J. A. Sloane_