Exponential self-convolution of this sequence gives central binomial coefficients (A000984).

A277339

Exponential self-convolution of this sequence gives central binomial coefficients (A000984).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =11a(6) =26a(7) =92a(8) =64a(9) =-1328a(10) =2272a(11) =86912a(12) =-157706a(13) =-7271042a(14) =17815604a(15) =853696664a(16) =-2615703541a(17) =-133125019397a(18) =490820087366

External references