Irregular triangle read by rows: Coefficients of Schick's polynomials P(n, y^2), for n >= 1.

Terms

a(0) =1a(1) =1a(2) =-2a(3) =-1a(4) =10a(5) =-24a(6) =16a(7) =1a(8) =-42a(9) =504a(10) =-2640a(11) =7040a(12) =-9984a(13) =7168a(14) =-2048a(15) =-1a(16) =170a(17) =-8568a(18) =201552a(19) =-2687360a(20) =22573824a(21) =-127339520a(22) =502081536a(23) =-1417641984a(24) =2901606400a(25) =-4310958080a(26) =4600627200a(27) =-3435134976a(28) =1702887424a(29) =-503316480