One-fourth of the total number of edges in the graph (see A392172) formed when n points are placed in general position on each edge of a square and a chord is drawn from each point to the 3*n points on the other three sides.
A392174
One-fourth of the total number of edges in the graph (see A392172) formed when n points are placed in general position on each edge of a square and a chord is drawn from each point to the 3*n points on the other three sides.
Terms
- a(0) =1a(1) =4a(2) =44a(3) =247a(4) =841a(5) =2156a(6) =4624a(7) =8779a(8) =15257a(9) =24796a(10) =38236a(11) =56519a(12) =80689a(13) =111892a(14) =151376a(15) =200491a(16) =260689a(17) =333524a(18) =420652a(19) =523831a(20) =644921a(21) =785884a(22) =948784a(23) =1135787a(24) =1349161a(25) =1591276a(26) =1864604a(27) =2171719a(28) =2515297a(29) =2898116
External references
- oeis: A392174