Draw the lines with equations y=kx (k=1..n) on the R^2/Z^2 square flat torus. a(n) is the number of intersection points.
A334087
Draw the lines with equations y=kx (k=1..n) on the R^2/Z^2 square flat torus. a(n) is the number of intersection points.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =2a(4) =5a(5) =9a(6) =17a(7) =25a(8) =39a(9) =55a(10) =77a(11) =99a(12) =131a(13) =165a(14) =211a(15) =257a(16) =311a(17) =369a(18) =443a(19) =517a(20) =609a(21) =705a(22) =813a(23) =921a(24) =1051a(25) =1185a(26) =1339a(27) =1493a(28) =1665a(29) =1843
External references
- oeis: A334087