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 A178027 #36 Jul 01 2025 00:33:02 %S A178027 0,5291,10582,15873,21164,26455,31746,37037,42328,47619,52910,58201, %T A178027 63492,68783,74074,79365,84656,89947,95238,100529,105820,111111, %U A178027 116402,121693,126984,132275,137566,142857,148148,153439,158730,164021,169312,174603,179894,185185 %N A178027 Multiples of 5291. %H A178027 Emile Fourrey, <a href="http://archive.org/details/rcrationsari00fouruoft">Récréations arithmétiques</a>, pp 7-8 and 91, 1899, Librairie Nony, Paris. %H A178027 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1). %F A178027 a(n) = n*5291. - _R. J. Mathar_, May 24 2010 %F A178027 a(n) mod 9 = A141726(n) = 8 - A010878(n-1). - _Jean-François Alcover_, Mar 03 2016, after _Paul Curtz_. %F A178027 From _Elmo R. Oliveira_, Jun 26 2025: (Start) %F A178027 G.f.: 5291*x/(1-x)^2. %F A178027 E.g.f.: 5291*x*exp(x). %F A178027 a(n) = 2*a(n-1) - a(n-2). (End) %t A178027 5291 Range[0, 32] (* _Michael De Vlieger_, Mar 03 2016 *) %o A178027 (PARI) a(n)=5291*n \\ _Charles R Greathouse IV_, Jun 26 2013 %o A178027 (PARI) concat(0, Vec(5291*x/(1-x)^2 + O(x^36))) \\ _Elmo R. Oliveira_, Jun 26 2025 %Y A178027 Cf. A010878, A141726. %K A178027 nonn,easy %O A178027 0,2 %A A178027 _Paul Curtz_, May 17 2010 %E A178027 More terms from _Elmo R. Oliveira_, Jun 26 2025