Number of 1-orbits of the cyclic group C_4 for a bi-colored square n X n grid with n squares of one color.
A276449
Number of 1-orbits of the cyclic group C_4 for a bi-colored square n X n grid with n squares of one color.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =4a(4) =6a(5) =0a(6) =0a(7) =120a(8) =190a(9) =0a(10) =0a(11) =7140a(12) =11480a(13) =0a(14) =0a(15) =635376a(16) =1028790a(17) =0a(18) =0a(19) =75287520a(20) =122391522a(21) =0a(22) =0a(23) =11143364232a(24) =18161699556a(25) =0a(26) =0a(29) =0a(30) =0a(33) =0
External references
- oeis: A276449