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 A067423 #11 Jun 29 2023 10:41:53 %S A067423 1,10,240,5760,138240,3317760,79626240,1911029760,45864714240, %T A067423 1100753141760,26418075402240,634033809653760,15216811431690240, %U A067423 365203474360565760,8764883384653578240,210357201231685877760 %N A067423 Eighth column of triangle A067417. %H A067423 Vincenzo Librandi, <a href="/A067423/b067423.txt">Table of n, a(n) for n = 0..700</a> %H A067423 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (24). %F A067423 a(n) = A067417(n+7, 7). %F A067423 a(n) = 10*(3*8)^(n-1), n >= 1, a(0)=1. %F A067423 G.f.: (1-14*x)/(1-24*x). %o A067423 (Magma) [Ceiling(10*(3*8)^(n-1)): n in [0..20]]; // _Vincenzo Librandi_, Oct 02 2011 %Y A067423 Cf. A067422 (seventh column), A067424 (ninth column), A009968 (powers of 24). %K A067423 nonn,easy %O A067423 0,2 %A A067423 _Wolfdieter Lang_, Jan 25 2002