Exponential (or binomial) half-convolution of A000984 (central binomial) with itself.

A203576

Exponential (or binomial) half-convolution of A000984 (central binomial) with itself.

Terms

    a(0) =1a(1) =2a(2) =14a(3) =56a(4) =446a(5) =2152a(6) =18248a(7) =97120a(8) =848254a(9) =4796552a(10) =42454664a(11) =250140640a(12) =2226532712a(13) =13516860320a(14) =120553738144a(15) =748819997056

External references