Number of binary strings of length n with equal numbers of 0010 and 0101 substrings.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =14a(5) =26a(6) =49a(7) =92a(8) =174a(9) =329a(10) =621a(11) =1175a(12) =2230a(13) =4244a(14) =8094a(15) =15461a(16) =29581a(17) =56697a(18) =108870a(19) =209425a(20) =403516a(21) =778677a(22) =1504844a(23) =2912356a(24) =5644101a(25) =10952539a(26) =21280139a(27) =41394755a(28) =80612379a(29) =157151994