Triangle read by rows: T(n,k) is the number of non-isomorphic colorings of a toroidal n X k grid using exactly five colors under translational symmetry, 1 <= k <= n.
A294687
Triangle read by rows: T(n,k) is the number of non-isomorphic colorings of a toroidal n X k grid using exactly five colors under translational symmetry, 1 <= k <= n.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =300a(5) =92680a(6) =0a(7) =15750a(8) =13794150a(9) =8221452750a(10) =24a(11) =510312a(12) =1686135376a(15) =300a(16) =13794450a(17) =193054017440a(21) =2400a(22) =343501500
External references
- oeis: A294687