Triangular sequence based on the coefficients of the Blaschke product like tan(3u) polynomial function: p(x,t)=Exp[x*t]*(-t)*(3 - t^2)/(-1 + 3*t^2).

A137436

Triangular sequence based on the coefficients of the Blaschke product like tan(3u) polynomial function: p(x,t)=Exp[x*t]*(-t)*(3 - t^2)/(-1 + 3*t^2).

Terms

    a(0) =0a(1) =3a(2) =0a(3) =6a(4) =48a(5) =0a(6) =9a(7) =0a(8) =192a(9) =0a(10) =12a(11) =2880a(12) =0a(13) =480a(14) =0a(15) =15a(16) =0a(17) =17280a(18) =0a(19) =960a(20) =0a(21) =18a(22) =362880a(23) =0a(24) =60480a(25) =0a(26) =1680a(27) =0a(28) =21a(29) =0

External references