Seventh convolution of Schroeder's (second problem) numbers A001003(n), n >= 0.

A111995

Seventh convolution of Schroeder's (second problem) numbers A001003(n), n >= 0.

Terms

    a(0) =1a(1) =7a(2) =42a(3) =238a(4) =1316a(5) =7196a(6) =39158a(7) =212738a(8) =1155889a(9) =6287015a(10) =34249404a(11) =186920468a(12) =1022134288a(13) =5600420336a(14) =30745867316a(15) =169116129308a(16) =931937277257

External references