Triangle of coefficients of x^n*H_n(x + 1/x), where H_n(x) is the Hermite polynomial of order n.

Terms

a(0) =1a(1) =2a(2) =0a(3) =2a(4) =4a(5) =0a(6) =6a(7) =0a(8) =4a(9) =8a(10) =0a(11) =12a(12) =0a(13) =12a(14) =0a(15) =8a(16) =16a(17) =0a(18) =16a(19) =0a(20) =12a(21) =0a(22) =16a(23) =0a(24) =16a(25) =32a(26) =0a(27) =0a(28) =0a(29) =-40