Number of symmetric Euclidean pseudo-order types: nondegenerate abstract order types of configurations of n points in the plane with a nontrivial automorphism.
A325595
Number of symmetric Euclidean pseudo-order types: nondegenerate abstract order types of configurations of n points in the plane with a nontrivial automorphism.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =12a(6) =30a(7) =230a(8) =849a(9) =13434a(10) =76200a(11) =2392066
External references
- oeis: A325595