G.f. A(x) satisfies: A(x) = 1 + Sum_{n>=1} x^n*A(x)^A006519(n) where A006519(n) = highest power of 2 dividing n.
A191769
G.f. A(x) satisfies: A(x) = 1 + Sum_{n>=1} x^n*A(x)^A006519(n) where A006519(n) = highest power of 2 dividing n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =12a(5) =33a(6) =92a(7) =267a(8) =792a(9) =2403a(10) =7414a(11) =23199a(12) =73454a(13) =234901a(14) =757654a(15) =2461877a(16) =8051284a(17) =26480681a(18) =87534184a(19) =290652931a(20) =968992200a(21) =3242229475a(22) =10884245838a(23) =36648566551a(24) =123739675390a(25) =418848744517
External references
- oeis: A191769