Number of binary strings of length n with equal numbers of 00001 and 11010 substrings.
A164209
Number of binary strings of length n with equal numbers of 00001 and 11010 substrings.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =30a(6) =56a(7) =104a(8) =192a(9) =356a(10) =662a(11) =1236a(12) =2320a(13) =4378a(14) =8304a(15) =15828a(16) =30304a(17) =58252a(18) =112368a(19) =217416a(20) =421766a(21) =820008a(22) =1597304a(23) =3116446a(24) =6088832a(25) =11910460a(26) =23322562a(27) =45711240a(28) =89665424a(29) =176013842
External references
- oeis: A164209