Number of length-(n+3) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.
A268957
Number of length-(n+3) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.
Terms
- a(0) =5a(1) =29a(2) =138a(3) =634a(4) =3045a(5) =15579a(6) =85314a(7) =498408a(8) =3092383a(9) =20286281a(10) =140153290a(11) =1016261974a(12) =7710988251a(13) =61062381647a(14) =503482376776
External references
- oeis: A268957