Number of length n+3 0..5 arrays with no four elements in a row with pattern abba (with a!=b) and new values 0..5 introduced in 0..5 order.
A243386
Number of length n+3 0..5 arrays with no four elements in a row with pattern abba (with a!=b) and new values 0..5 introduced in 0..5 order.
Terms
- a(0) =14a(1) =46a(2) =174a(3) =736a(4) =3406a(5) =16910a(6) =88473a(7) =480524a(8) =2677917a(9) =15183903a(10) =87081621a(11) =503166559a(12) =2921501848a(13) =17016444696a(14) =99315740914a(15) =580419063740
External references
- oeis: A243386