a(n) = (3^(2*n))*(integral_{x=0 to 1} (1+x^3)^n dx)/(integral_{x=0 to 1} (1-x^3)^n dx).
A089138
a(n) = (3^(2*n))*(integral_{x=0 to 1} (1+x^3)^n dx)/(integral_{x=0 to 1} (1-x^3)^n dx).
Terms
- a(0) =1a(1) =15a(2) =207a(3) =2871a(4) =40959a(5) =604503a(6) =9214479a(7) =144391815a(8) =2313641151a(9) =37724683959a(10) =623474304111
External references
- oeis: A089138