Number of concave equilateral n-gons with corner angles of m*Pi/n (0 < m < 2n), where m and n are integers.
A262244
Number of concave equilateral n-gons with corner angles of m*Pi/n (0 < m < 2n), where m and n are integers.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =22a(4) =11a(5) =1319a(6) =25858
External references
- oeis: A262244