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 A298025 #13 Aug 31 2023 11:28:19 %S A298025 1,5,15,29,47,71,99,131,169,211,257,309,365,425,491,561,635,715,799, %T A298025 887,981,1079,1181,1289,1401,1517,1639,1765,1895,2031,2171,2315,2465, %U A298025 2619,2777,2941,3109,3281,3459,3641,3827,4019,4215,4415,4621,4831,5045,5265 %N A298025 Partial sums of A298024. %C A298025 Linear recurrence and g.f. confirmed by Shutov/Maleev link in A298024. - _Ray Chandler_, Aug 31 2023 %H A298025 Rémy Sigrist, <a href="/A298025/b298025.txt">Table of n, a(n) for n = 0..1000</a> %H A298025 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (2, -1, 1, -2, 1). %F A298025 From _Colin Barker_, Jan 21 2018: (Start) %F A298025 G.f.: (1 + 3*x + 6*x^2 + 3*x^3 + x^4) / ((1 - x)^3*(1 + x + x^2)). %F A298025 a(n) = 2*a(n-1) - a(n-2) + a(n-3) - 2*a(n-4) + a(n-5) for n>4. %F A298025 (End) %Y A298025 Cf. A298024. %K A298025 nonn %O A298025 0,2 %A A298025 _N. J. A. Sloane_, Jan 21 2018 %E A298025 More terms from _Rémy Sigrist_, Jan 21 2018