Number of binary strings of length n with equal numbers of 00101 and 10101 substrings.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =30a(6) =56a(7) =107a(8) =204a(9) =387a(10) =738a(11) =1413a(12) =2704a(13) =5177a(14) =9933a(15) =19084a(16) =36694a(17) =70641a(18) =136181a(19) =262822a(20) =507774a(21) =982149a(22) =1901803a(23) =3686401a(24) =7152890a(25) =13893030a(26) =27010439a(27) =52561741a(28) =102376481a(29) =199576932