A triangular sequence from coefficients of an expansion of the Poisson's kernel: p(t,r)=(1-r^2)/(1-2*r*Cos(t)+r^2): r->t;Cos(t)->x.

A137511

A triangular sequence from coefficients of an expansion of the Poisson's kernel: p(t,r)=(1-r^2)/(1-2*r*Cos(t)+r^2): r->t;Cos(t)->x.

Terms

    a(0) =-1a(1) =0a(2) =-2a(3) =4a(4) =0a(5) =-8a(6) =0a(7) =36a(8) =0a(9) =-48a(10) =-48a(11) =0a(12) =384a(13) =0a(14) =-384a(15) =0a(16) =-1200a(17) =0a(18) =4800a(19) =0a(20) =-3840a(21) =1440a(22) =0a(23) =-25920a(24) =0a(25) =69120a(26) =0a(27) =-46080a(28) =0a(29) =70560

External references