Expansion of (7-14*x+6*x^2)/((1-x)*(2*x^2-4*x+1)); related to the binomial transform of Pell numbers A000129 (see formula and comment for A007070).
A113859
Expansion of (7-14*x+6*x^2)/((1-x)*(2*x^2-4*x+1)); related to the binomial transform of Pell numbers A000129 (see formula and comment for A007070).
Terms
- a(0) =7a(1) =21a(2) =69a(3) =233a(4) =793a(5) =2705a(6) =9233a(7) =31521a(8) =107617a(9) =367425a(10) =1254465a(11) =4283009a(12) =14623105a(13) =49926401a(14) =170459393a(15) =581984769a(16) =1987020289a(17) =6784111617a(18) =23162405889a(19) =79081400321a(20) =270000789505a(21) =921840357377
External references
- oeis: A113859