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 A069475 #16 Aug 20 2024 01:55:56
%S A069475 1560,3360,5880,9120,13080,17760,23160,29280,36120,43680,51960,60960,
%T A069475 70680,81120,92280,104160,116760,130080,144120,158880,174360,190560,
%U A069475 207480,225120,243480,262560,282360,302880,324120,346080,368760,392160,416280
%N A069475 First differences of A069474, successive differences of (n+1)^6-n^6.
%H A069475 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H A069475 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3,-3,1).
%F A069475 a(n) = 360*n^2 + 1440*n + 1560 = 120*A056107(n+2).
%F A069475 G.f.: 120*(13 - 11*x + 4*x^2)/(1 - x)^3. - _Bruno Berselli_, Feb 25 2015
%t A069475 Table[360 n^2 + 1440 n + 1560, {n, 0, 40}] (* _Bruno Berselli_, Feb 25 2015 *)
%o A069475 (PARI) a(n)=360*n^2+1440*n+1560 \\ _Charles R Greathouse IV_, Jun 17 2017
%Y A069475 Cf. A001014, A022522, A056107, A069473, A069474, A069476.
%K A069475 nonn,easy
%O A069475 0,1
%A A069475 Eli McGowan (ejmcgowa(AT)mail.lakeheadu.ca), Mar 26 2002
%E A069475 Offset changed from 1 to 0 and added a(0)=1560 by _Bruno Berselli_, Feb 25 2015