Number of primitive (aperiodic) step shifted (decimated) sequence structures using exactly two different symbols.

A056406

Number of primitive (aperiodic) step shifted (decimated) sequence structures using exactly two different symbols.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =4a(4) =5a(5) =16a(6) =13a(7) =42a(8) =49a(9) =133a(10) =107a(11) =600a(12) =351a(13) =1385a(14) =2164a(15) =4416a(16) =4115a(17) =22043a(18) =14601a(19) =67872a(20) =88360a(21) =209827a(22) =190745a(23) =1074534a(24) =839122a(25) =2796647a(26) =3730532a(27) =11275300a(28) =9587579a(29) =67193198

External references