Number of musical scales in n tone equal temperament respecting the property that alternate notes are 3 or 4 semitones apart.

A361378

Number of musical scales in n tone equal temperament respecting the property that alternate notes are 3 or 4 semitones apart.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =3a(5) =3a(6) =8a(7) =8a(8) =12a(9) =16a(10) =25a(11) =33a(12) =45a(13) =66a(14) =91a(15) =128a(16) =177a(17) =252a(18) =351a(19) =491a(20) =689a(21) =966a(22) =1354a(23) =1894a(24) =2658a(25) =3723a(26) =5217a(27) =7309a(28) =10244a(29) =14355

External references