T(n,k)=Number of length n+3 0..k arrays with no four elements in a row with pattern abab (with a!=b) and new values 0..k introduced in 0..k order.
A243044
T(n,k)=Number of length n+3 0..k arrays with no four elements in a row with pattern abab (with a!=b) and new values 0..k introduced in 0..k order.
Terms
- a(0) =7a(1) =13a(2) =13a(3) =14a(4) =36a(5) =24a(6) =14a(7) =46a(8) =101a(9) =44a(10) =14a(11) =47a(12) =163a(13) =285a(14) =81a(15) =14a(16) =47a(17) =178a(18) =602a(19) =806a(20) =149a(21) =14a(22) =47a(23) =179a(24) =738a(25) =2271a(26) =2281a(27) =274a(28) =14a(29) =47
External references
- oeis: A243044