Number of length n+4 0..4 arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..4 introduced in 0..4 order.
A244179
Number of length n+4 0..4 arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..4 introduced in 0..4 order.
Terms
- a(0) =49a(1) =188a(2) =790a(3) =3537a(4) =16477a(5) =78614a(6) =380407a(7) =1855983a(8) =9098538a(9) =44726540a(10) =220215471a(11) =1085242000a(12) =5350977611a(13) =26391893977a(14) =130191662653a(15) =642301565508
External references
- oeis: A244179