Number of indecomposable positive definite ternary quadratic forms of determinant n.

A006376

Number of indecomposable positive definite ternary quadratic forms of determinant n.

Terms

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

External references