Number of binary words of length n containing at least one subword 10001 and no subwords 10^{i}1 with i<3.
A143283
Number of binary words of length n containing at least one subword 10001 and no subwords 10^{i}1 with i<3.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =3a(8) =4a(9) =6a(10) =10a(11) =16a(12) =24a(13) =35a(14) =51a(15) =75a(16) =110a(17) =160a(18) =231a(19) =332a(20) =476a(21) =681a(22) =972a(23) =1384a(24) =1966a(25) =2787a(26) =3944a(27) =5573a(28) =7864a(29) =11082
External references
- oeis: A143283