Triangle read by rows: T(n,k) is the number of ternary words of length n having k runs of consecutive 0's (0<=k<=ceiling(n/2)).

A119808

Triangle read by rows: T(n,k) is the number of ternary words of length n having k runs of consecutive 0's (0<=k<=ceiling(n/2)).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =4a(4) =5a(5) =8a(6) =17a(7) =2a(8) =16a(9) =49a(10) =16a(11) =32a(12) =129a(13) =78a(14) =4a(15) =64a(16) =321a(17) =300a(18) =44a(19) =128a(20) =769a(21) =1002a(22) =280a(23) =8a(24) =256a(25) =1793a(26) =3048a(27) =1352a(28) =112a(29) =512

External references