Number of 0..6 arrays of length n with no adjacent pair equal to its immediately preceding adjacent pair, and new values introduced in 0..6 order.
A212827
Number of 0..6 arrays of length n with no adjacent pair equal to its immediately preceding adjacent pair, and new values introduced in 0..6 order.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =13a(4) =44a(5) =168a(6) =717a(7) =3359a(8) =17055a(9) =92749a(10) =534071a(11) =3220152a(12) =20122695a(13) =129180223a(14) =845868450a(15) =5618381653a(16) =37699577379a(17) =254789247816
External references
- oeis: A212827