# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a199208 Showing 1-1 of 1 %I A199208 #18 Sep 28 2023 19:19:06 %S A199208 10,37,145,577,2305,9217,36865,147457,589825,2359297,9437185,37748737, %T A199208 150994945,603979777,2415919105,9663676417,38654705665,154618822657, %U A199208 618475290625,2473901162497,9895604649985,39582418599937 %N A199208 a(n) = 9*4^n+1. %H A199208 Vincenzo Librandi, Table of n, a(n) for n = 0..1000 %H A199208 Index entries for linear recurrences with constant coefficients, signature (5,-4). %F A199208 a(n) = 4*a(n-1)-3. %F A199208 a(n) = 5*a(n-1)-4*a(n-2). %F A199208 G.f.: (10-13*x)/((1-x)*(1-4*x)). - _Bruno Berselli_, Nov 04 2011 %t A199208 NestList[4#-3&,10,30] (* or *) LinearRecurrence[{5,-4},{10,37},30] (* _Harvey P. Dale_, Sep 28 2023 *) %o A199208 (Magma) [9*4^n+1: n in [0..30]]; %K A199208 nonn,easy %O A199208 0,1 %A A199208 _Vincenzo Librandi_, Nov 04 2011 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE