Number of length n+3 0..6 arrays with no four elements in a row with pattern aabb (with a!=b) and new values 0..6 introduced in 0..6 order.
A242582
Number of length n+3 0..6 arrays with no four elements in a row with pattern aabb (with a!=b) and new values 0..6 introduced in 0..6 order.
Terms
- a(0) =14a(1) =46a(2) =175a(3) =745a(4) =3481a(5) =17634a(6) =95729a(7) =550503a(8) =3316400a(9) =20716789a(10) =133010422a(11) =871426139a(12) =5793393075a(13) =38920526974a(14) =263416849112
External references
- oeis: A242582