E.g.f. A(x,k) satisfies: sin(A(x,k)) = k * sin(x).

Terms

a(0) =1a(1) =-1a(2) =1a(3) =1a(4) =-10a(5) =9a(6) =-1a(7) =91a(8) =-315a(9) =225a(10) =1a(11) =-820a(12) =8694a(13) =-18900a(14) =11025a(15) =-1a(16) =7381a(17) =-224730a(18) =1143450a(19) =-1819125a(20) =893025a(21) =1a(22) =-66430a(23) =5684679a(24) =-61647300a(25) =203378175a(26) =-255405150a(27) =108056025a(28) =-1a(29) =597871