Number of length n+4 0..n arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..n introduced in 0..n order.
A244693
Number of length n+4 0..n arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..n introduced in 0..n order.
Terms
- a(0) =14a(1) =111a(2) =661a(3) =3582a(4) =19309a(5) =107995a(6) =636642a(7) =3968291a(8) =26107708a(9) =180739086a(10) =1312462869a(11) =9968432106a(12) =78988145772a(13) =651486251644
External references
- oeis: A244693