Triangle T(n,k) defined by Sum_{1<=k<=n} T(n,k)*u^k*t^n/n! = exp(((1-t)*(1-t^2)*(1-t^3)...)^(-u)-1).

A066045

Triangle T(n,k) defined by Sum_{1<=k<=n} T(n,k)*u^k*t^n/n! = exp(((1-t)*(1-t^2)*(1-t^3)...)^(-u)-1).

Terms

    a(0) =1a(1) =3a(2) =2a(3) =8a(4) =18a(5) =5a(6) =42a(7) =118a(8) =90a(9) =15a(10) =144a(11) =900a(12) =1075a(13) =450a(14) =52a(15) =1440a(16) =6788a(17) =12375a(18) =8475a(19) =2340a(20) =203a(21) =5760a(22) =61824a(23) =141470a(24) =140175a(25) =63700a(26) =12789a(27) =877a(28) =75600a(29) =586584

External references