Number of closed paths of length n whose steps are 16th roots of unity, U_16(n).
A198804
Number of closed paths of length n whose steps are 16th roots of unity, U_16(n).
Terms
- a(0) =1a(1) =0a(2) =16a(3) =0a(4) =720a(5) =0a(6) =50560a(7) =0a(8) =4649680a(9) =0a(10) =514031616a(11) =0a(12) =64941883776a(13) =0a(15) =0a(17) =0a(19) =0a(21) =0a(23) =0a(25) =0a(27) =0
External references
- oeis: A198804