Number of (n+1) X 3 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.
A204870
Number of (n+1) X 3 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.
Terms
- a(0) =551a(1) =3167a(2) =10397a(3) =59377a(4) =219871a(5) =1174669a(6) =4655229a(7) =23670949a(8) =98156723a(9) =482753329a(10) =2065407959a(11) =9935811641a(12) =43446987877a(13) =205979081813a(14) =914648934213
External references
- oeis: A204870