Number of binary strings with n zeros and n ones avoiding the substrings 10101101 and 1110101.

A275046

Number of binary strings with n zeros and n ones avoiding the substrings 10101101 and 1110101.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =20a(4) =70a(5) =245a(6) =874a(7) =3164a(8) =11577a(9) =42694a(10) =158431a(11) =590873a(12) =2212797a(13) =8315535a(14) =31341163a(15) =118423810a(16) =448455754a(17) =1701534151a(18) =6467049185a(19) =24617030774a(20) =93834205107a(21) =358116770601

External references