Number of binary strings of length n with equal numbers of 00010 and 11100 substrings.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =30a(6) =56a(7) =104a(8) =194a(9) =363a(10) =682a(11) =1288a(12) =2445a(13) =4660a(14) =8912a(15) =17092a(16) =32858a(17) =63297a(18) =122157a(19) =236147a(20) =457229a(21) =886620a(22) =1721721a(23) =3347952a(24) =6518615a(25) =12707460a(26) =24800292a(27) =48452612a(28) =94756476a(29) =185482330