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 A063941 #30 Jul 10 2025 04:14:59 %S A063941 17,663,25857,1008423,39328497,1533811383,59818643937,2332927113543, %T A063941 90984157428177,3548382139698903,138386903448257217, %U A063941 5397089234482031463,210486480144799227057,8208972725647169855223,320149936300239624353697,12485847515709345349794183 %N A063941 a(n) = 17*39^n. %D A063941 Mervine Edwards and Siegfried Haenisch, New Views in Algebra, 1: An Integrated Approach, Educational Design, Inc, 1999 (ISBN #0-87694-578-7); p. 9, #16. %H A063941 Harry J. Smith, <a href="/A063941/b063941.txt">Table of n, a(n) for n = 0..100</a> %H A063941 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>. %H A063941 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (39). %F A063941 From _Philippe Deléham_, Nov 24 2008: (Start) %F A063941 a(n) = 39*a(n-1), n > 0; a(0)=17. %F A063941 G.f.: 17/(1-39*x). %F A063941 a(n) = 17*A009983(n). (End) %F A063941 E.g.f.: 17*exp(39*x). - _Elmo R. Oliveira_, Jul 09 2025 %p A063941 for n from 0 to 30 do printf(`%d,`, 17*39^n) od; %t A063941 NestList[39*# &, 17, 20] (* _Paolo Xausa_, Jul 03 2025 *) %o A063941 (PARI) a(n) = { 17*39^n } \\ _Harry J. Smith_, Sep 03 2009 %Y A063941 Cf. A009983. %K A063941 nonn,easy %O A063941 0,1 %A A063941 Deborah Florez (deborahf(AT)bcn.net), Sep 01 2001 %E A063941 Better description from _Brian Galebach_, Sep 05 2001 %E A063941 More terms from _James Sellers_, Sep 25 2001