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 A109716 #23 Aug 16 2024 12:24:06 %S A109716 1,111111,12345654321,1371737997260631,152415180613625971041, %T A109716 16935003133160595268336551,1881665133128606900860142518161, %U A109716 209073694607052641361471295335386871,23230387281484226034314437096010170623681,2581151561232993838898711420174786068167819591 %N A109716 Powers of 111111. %H A109716 Seiichi Manyama, <a href="/A109716/b109716.txt">Table of n, a(n) for n = 0..198</a> %H A109716 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (111111). %F A109716 a(n) = 111111^n. %F A109716 From _Elmo R. Oliveira_, Aug 11 2024: (Start) %F A109716 G.f.: 1/(1 - 111111*x). %F A109716 E.g.f.: exp(111111*x). %F A109716 a(n) = 111111*a(n-1) for n > 0. (End) %t A109716 NestList[111111#&,1,10] (* _Harvey P. Dale_, Oct 15 2022 *) %o A109716 (PARI) a(n) = 111111^n \\ _Charles R Greathouse IV_, Sep 25 2014 %K A109716 nonn,easy %O A109716 0,2 %A A109716 _Philippe Deléham_, Aug 08 2005 %E A109716 Corrected by _Charles R Greathouse IV_, Sep 25 2014