Number of (-1,0,1) polynomials of degree-n irreducible over the integers.

A087610

Number of (-1,0,1) polynomials of degree-n irreducible over the integers.

Terms

    a(0) =3a(1) =5a(2) =12a(3) =34a(4) =104a(5) =292a(6) =916a(7) =2791a(8) =8660a(9) =26538a(10) =81584a(11) =248554

External references