a(n) = 8*binomial(11*n+8,n)/(11*n+8).

A235338

a(n) = 8*binomial(11*n+8,n)/(11*n+8).

Terms

    a(0) =1a(1) =8a(2) =116a(3) =2080a(4) =41650a(5) =892552a(6) =20027112a(7) =464550336a(8) =11050084695a(9) =268070745800

External references