A361659 Number of strictly convex unit-sided polygons with all internal angles equal to a multiple of Pi/n, treating polygons that have a unique mirror image as distinct but ignoring rotational copies.

0, 1, 3, 4, 7, 17, 19, 34, 92, 115, 187, 616, 631, 1201, 6067, 4114, 7711, 35322, 27595, 59704, 328833, 190933, 364723, 2435778, 1579882, 2582059, 21013768, 9894292, 18512791, 377367013, 69273667, 134219794, 1678410949, 505301839, 1339499035, 14843799550

Offset: 1

Author

Roman Mecholsky, Mar 19 2023

Keywords

• nonn

Crossrefs

Cf. A164896, A262181, A361635 (up to rotations and reflections).

Formula

a(n) = A164896(2*n) - 2. - Andrew Howroyd, Mar 22 2023

Extensions

a(7) corrected and terms a(9) and beyond from Andrew Howroyd, Mar 22 2023