LAH transform of squares.

Terms

a(0) =0a(1) =1a(2) =6a(3) =39a(4) =292a(5) =2505a(6) =24306a(7) =263431a(8) =3154824a(9) =41368977a(10) =589410910a(11) =9064804551a(12) =149641946796