Triangle read by rows: T(n,k) is the number of binary sequences of length n containing k subsequences 0101 (n,k>=0).
A118869
Triangle read by rows: T(n,k) is the number of binary sequences of length n containing k subsequences 0101 (n,k>=0).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =15a(5) =1a(6) =28a(7) =4a(8) =53a(9) =10a(10) =1a(11) =100a(12) =24a(13) =4a(14) =188a(15) =57a(16) =10a(17) =1a(18) =354a(19) =128a(20) =26a(21) =4a(22) =667a(23) =278a(24) =68a(25) =10a(26) =1a(27) =1256a(28) =596a(29) =164
External references
- oeis: A118869