Triangle of coefficients in expansion of sin(n*x) (or sin(n*x)/cos(x) if n is even) in ascending powers of sin(x).

A028298

Triangle of coefficients in expansion of sin(n*x) (or sin(n*x)/cos(x) if n is even) in ascending powers of sin(x).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =-4a(4) =4a(5) =-8a(6) =5a(7) =-20a(8) =16a(9) =6a(10) =-32a(11) =32a(12) =7a(13) =-56a(14) =112a(15) =-64a(16) =8a(17) =-80a(18) =192a(19) =-128a(20) =9a(21) =-120a(22) =432a(23) =-576a(24) =256a(25) =10a(26) =-160a(27) =672a(28) =-1024a(29) =512

External references