Triangle read by rows: T(n,k) = orientable embedding number gamma_k for bouquet B_n, n >= 0, 0 <= k <= [n/2].

A123850

Triangle read by rows: T(n,k) = orientable embedding number gamma_k for bouquet B_n, n >= 0, 0 <= k <= [n/2].

Terms

    a(0) =1a(1) =1a(2) =4a(3) =2a(4) =40a(5) =80a(6) =672a(7) =3360a(8) =1008a(9) =16128a(10) =161280a(11) =185472

External references