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
Keywords
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