Coefficients of period polynomials.

Terms

a(0) =1a(1) =5a(2) =-21a(3) =33a(4) =-65a(5) =85a(6) =-133a(7) =161a(8) =261a(9) =-341a(10) =-481a(11) =533a(12) =-645a(13) =705a(14) =901a(15) =-12803a(16) =-1281a(17) =-1541a(18) =1633a(19) =-1825a(20) =-14615a(21) =-11537a(22) =2581a(23) =-3201a(24) =3333