Triangle read by rows, e.g.f. exp(x*z)/((exp(x/2)+exp(x*3/2))/((exp(3*x/2)+2*cos(sqrt(3)*x/2))/3)-1).
A215065
Triangle read by rows, e.g.f. exp(x*z)/((exp(x/2)+exp(x*3/2))/((exp(3*x/2)+2*cos(sqrt(3)*x/2))/3)-1).
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =1a(4) =-2a(5) =1a(6) =1a(7) =3a(8) =-3a(9) =1a(10) =-11a(11) =4a(12) =6a(13) =-4a(14) =1a(15) =49a(16) =-55a(17) =10a(18) =10a(19) =-5a(20) =1a(21) =-137a(22) =294a(23) =-165a(24) =20a(25) =15a(26) =-6a(27) =1a(28) =-127a(29) =-959
External references
- oeis: A215065