Number of circular binary sequences of length n with an even number of 0's and no three consecutive 1's.

A366044

Number of circular binary sequences of length n with an even number of 0's and no three consecutive 1's.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =7a(4) =10a(5) =19a(6) =35a(7) =67a(8) =120a(9) =221a(10) =407a(11) =751a(12) =1378a(13) =2535a(14) =4663a(15) =8579a(16) =15776a(17) =29017a(18) =53371a(19) =98167a(20) =180554a(21) =332091a(22) =610811a(23) =1123459a(24) =2066360a(25) =3800629a(26) =6990447a(27) =12857439a(28) =23648514a(29) =43496399

External references