-7980

Appears in sequences

• Bi-diagonal inverse of (3n)!/(3k)!.at n=34A119832
• Triangle T(n,k) which contains 16*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(15 + exp(8*t)) in row n, column k.at n=23A171685
• Exponential Riordan array [exp(x*exp(-x)),x].at n=48A215652