Triangle read by rows: T(n,k) is the number of ternary sequences of length n containing k subsequences 00 (n>=0, 0<=k<=max(0,n-1)).
A118357
Triangle read by rows: T(n,k) is the number of ternary sequences of length n containing k subsequences 00 (n>=0, 0<=k<=max(0,n-1)).
Terms
- a(0) =1a(1) =3a(2) =8a(3) =1a(4) =22a(5) =4a(6) =1a(7) =60a(8) =16a(9) =4a(10) =1a(11) =164a(12) =56a(13) =18a(14) =4a(15) =1a(16) =448a(17) =188a(18) =68a(19) =20a(20) =4a(21) =1a(22) =1224a(23) =608a(24) =248a(25) =80a(26) =22a(27) =4a(28) =1a(29) =3344
External references
- oeis: A118357