Number of semi-infinite curves of the plane with n simple, transverse self-intersections and no other self-intersections, up to an orientation-preserving homeomorphism.

A373325

Number of semi-infinite curves of the plane with n simple, transverse self-intersections and no other self-intersections, up to an orientation-preserving homeomorphism.

Terms

    a(0) =1a(1) =2a(2) =10a(3) =66a(4) =498a(5) =4072a(6) =35144a(7) =315352a(8) =2914074a(9) =27553880a(10) =265387528a(11) =2595131328

External references