a(n) = 4^n * [x^n] Product_{k>=1} (1 + 2*x^k)^(1/4).
A370736
a(n) = 4^n * [x^n] Product_{k>=1} (1 + 2*x^k)^(1/4).
Terms
- a(0) =1a(1) =2a(2) =2a(3) =76a(4) =-106a(5) =1788a(6) =-1516a(7) =57176a(8) =-276634a(9) =2270444a(10) =-10094212a(11) =97699752a(12) =-664173444a(13) =4819718488a(14) =-33236872088a(15) =259931360688
External references
- oeis: A370736