a(n) = A121295(n) - A121265(n).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =-2a(6) =-3a(7) =-3a(8) =1a(9) =-72a(10) =3303a(11) =10788a(12) =287767a(13) =-2441508a(14) =41165366097