L.g.f.: Sum_{n>=1} (x^n/n)/sqrt(1 - 2*(2*x)^n) = Sum_{n>=1} a(n)*x^n/n.
A184513
L.g.f.: Sum_{n>=1} (x^n/n)/sqrt(1 - 2*(2*x)^n) = Sum_{n>=1} a(n)*x^n/n.
Terms
- a(0) =1a(1) =5a(2) =19a(3) =89a(4) =351a(5) =1601a(6) =6469a(7) =28129a(8) =116119a(9) =491865a(10) =2032317a(11) =8519969a(12) =35154029a(13) =146022609a(14) =601843209a(15) =2485436161a(16) =10218366631a(17) =42036132185a(18) =172427570701a(19) =707155973729
External references
- oeis: A184513