Number of length n+4 0..2 arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..2 introduced in 0..2 order.
A244694
Number of length n+4 0..2 arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..2 introduced in 0..2 order.
Terms
- a(0) =39a(1) =111a(2) =317a(3) =908a(4) =2602a(5) =7459a(6) =21383a(7) =61302a(8) =175745a(9) =503841a(10) =1444456a(11) =4141097a(12) =11872072a(13) =34035934a(14) =97577307a(15) =279743489a(16) =801994051a(17) =2299229415a(18) =6591639797a(19) =18897511895a(20) =54177104154a(21) =155319844796a(22) =445285043640
External references
- oeis: A244694