a(n) = 3^n * [x^n] Product_{k>=1} 1/(1 - 3*x^k)^(1/3).
A370710
a(n) = 3^n * [x^n] Product_{k>=1} 1/(1 - 3*x^k)^(1/3).
Terms
- a(0) =1a(1) =3a(2) =27a(3) =180a(4) =1431a(5) =10206a(6) =83025a(7) =641277a(8) =5264109a(9) =42896790a(10) =357649587a(11) =2989185039a(12) =25284805857a(13) =214547921451
External references
- oeis: A370710