Number of distinct lines through the origin in the n-dimensional lattice of side length 4.

A090020

Number of distinct lines through the origin in the n-dimensional lattice of side length 4.

Terms

    a(0) =0a(1) =1a(2) =13a(3) =91a(4) =529a(5) =2851a(6) =14833a(7) =75811a(8) =383809a(9) =1932931a(10) =9705553a(11) =48648931a(12) =243605089a(13) =1219100611a(14) =6098716273a(15) =30503196451a(16) =152544778369a(17) =762810181891

External references