A357602 a(n) is the number of n-gons in A000940 that are asymmetric.
0, 0, 0, 1, 15, 121, 1026, 8696, 81515, 827282, 9200052
Offset: 3
Examples
Of the A000940(6) = 12 hexagons, 11 have symmetry and 1 is asymmetric, so a(6)=1.
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.