Number of edges in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer x coordinates |x| = 1, 2, ...n.
A392427
Number of edges in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer x coordinates |x| = 1, 2, ...n.
Terms
- a(0) =1a(1) =6a(2) =27a(3) =85a(4) =210a(5) =437a(6) =836a(7) =1442a(8) =2347a(9) =3634a(10) =5351a(11) =7700a(12) =10685a(13) =14500a(14) =19183a(15) =24914a(16) =31899a(17) =40220a(18) =50263a(19) =62099a(20) =75754a(21) =91655a(22) =109810a(23) =131001a(24) =154733a(25) =181506a(26) =211901a(27) =245359a(28) =282708a(29) =324803
External references
- oeis: A392427