a(n) = 4^n * [x^n] Product_{k>=1} 1/(1 - 2*x^k)^(1/4).
A370732
a(n) = 4^n * [x^n] Product_{k>=1} 1/(1 - 2*x^k)^(1/4).
Terms
- a(0) =1a(1) =2a(2) =18a(3) =108a(4) =822a(5) =4796a(6) =37492a(7) =231704a(8) =1738150a(9) =11857004a(10) =87262684a(11) =617409128a(12) =4638712124a(13) =33724007896a(14) =253800160808
External references
- oeis: A370732