206410

Appears in sequences

• Number of immersions of oriented circle into unoriented sphere with n double points.at n=9A008988
• Positions of records in the continued fraction expansion of the prime constant.at n=17A103313
• Indices of increasing partial quotients PQ_i of the continued fraction for the prime constant (A051006).at n=17A103518
• Triangle read by rows: T(n,g) = number of general immersions of a circle with n crossings in a surface of arbitrary genus g (the circle is oriented, the surface is unoriented).at n=36A260885