Triangle of coefficients of square of Hermite polynomials divided by 2^n with argument sqrt(x/2).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =-2a(5) =1a(6) =0a(7) =9a(8) =-6a(9) =1a(10) =9a(11) =-36a(12) =42a(13) =-12a(14) =1a(15) =0a(16) =225a(17) =-300a(18) =130a(19) =-20a(20) =1a(21) =225a(22) =-1350a(23) =2475a(24) =-1380a(25) =315a(26) =-30a(27) =1a(28) =0a(29) =11025