A360624 Number of strong dichotomy patterns in Z/2nZ, i.e., bicolor patterns of Z/2nZ with respect to the action of Aff(Z/2nZ) with trivial isotropy group.

1, 0, 1, 1, 3, 6, 9, 15, 40, 90, 105, 359, 355, 1092, 3007, 2152, 4305, 17826, 15267, 48549, 130839, 170820, 198753, 780645

Offset

1,5

Links

Table of n, a(n) for n=1..24.

Octavio A. Agustín-Aquino, Extensiones microtonales de contrapunto, Ph. D. thesis, UNAM, 2011, p. 20.

Octavio A. Agustín-Aquino, Enumeration of strong dichotomy patterns, Algebra and Discrete Mathematics, 25 (2018), 165-176, arXiv preprint, arXiv:1406.3415 [math.CO], 2014-2018.

Crossrefs

Sequence in context: A357989 A070885 A002597 * A287554 A308777 A057855

Adjacent sequences: A360621 A360622 A360623 * A360625 A360626 A360627

Keyword

nonn,more

Author

Octavio A. Agustín-Aquino, Feb 14 2023

Status

approved