Number of length n+3 0..6 arrays with no four elements in a row with pattern abab (with a!=b) and new values 0..6 introduced in 0..6 order.
A243042
Number of length n+3 0..6 arrays with no four elements in a row with pattern abab (with a!=b) and new values 0..6 introduced in 0..6 order.
Terms
- a(0) =14a(1) =47a(2) =179a(3) =760a(4) =3544a(5) =17919a(6) =97106a(7) =557629a(8) =3355754a(9) =20947076a(10) =134427057a(11) =880509876a(12) =5853586307a(13) =39329462552a(14) =266245960560
External references
- oeis: A243042