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 A064302 #11 Jul 26 2022 10:08:50 %S A064302 1,42,381,1606,4641,10746,21517,38886,65121,102826,154941,224742, %T A064302 315841,432186,578061,758086,977217,1240746,1554301,1923846,2355681, %U A064302 2856442,3433101,4092966,4843681,5693226 %N A064302 Sixth diagonal of triangle A064094. %H A064302 Stefano Spezia, <a href="/A064302/b064302.txt">Table of n, a(n) for n = 0..10000</a> %H A064302 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1). %F A064302 a(n) = 1 + 4*n + 9*n^2 + 14*n^3 + 14*n^4, compare to row n = 4 of Catalan triangle A009766. %F A064302 G.f.: (1 + 37*x + 181*x^2 + 111*x^3 + 6*x^4)/(1 - x)^5. %F A064302 E.g.f.: exp(x)*(1 + 41*x + 149*x^2 + 98*x^3 + 14*x^4). - _Stefano Spezia_, Jul 24 2022 %Y A064302 Cf. A009766, A064094, A064096 (fifth diagonal). %K A064302 nonn,easy %O A064302 0,2 %A A064302 _Wolfdieter Lang_, Sep 13 2001