Number of unordered quadruples of self-avoiding paths with nodes that cover all vertices of a convex n-gon.
A360275
Number of unordered quadruples of self-avoiding paths with nodes that cover all vertices of a convex n-gon.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =105a(8) =3780a(9) =81900a(10) =1386000a(11) =20207880a(12) =266666400a(13) =3277354080a(14) =38198160000a(15) =427365818880
External references
- oeis: A360275