Reduced numerators of x^(2n) in the series expansion of erf(x)^2 Pi/4 about 0.

Terms

a(0) =0a(1) =1a(2) =-2a(3) =14a(4) =-4a(5) =166a(6) =-292a(7) =2092a(8) =-136a(9) =28102a(10) =-52412a(11) =131468a(12) =-2264a(13) =5692636a(14) =-10892936a(15) =83688344a(16) =-20155888a(17) =1246068806a(18) =-541124a(19) =2675231852a(20) =-19548472a(21) =40491935468a(22) =-552572485496a(24) =-13091776816