Number of binary strings of length n with equal numbers of 00011 and 11100 substrings.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =30a(6) =56a(7) =104a(8) =196a(9) =372a(10) =710a(11) =1358a(12) =2604a(13) =5002a(14) =9628a(15) =18568a(16) =35876a(17) =69432a(18) =134584a(19) =261248a(20) =507806a(21) =988302a(22) =1925734a(23) =3756508a(24) =7335396a(25) =14337910a(26) =28050778a(27) =54925754a(28) =107635712a(29) =211088554