Number of vertices in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer y coordinates y = 1, 2, ...n.
A392442
Number of vertices in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer y coordinates y = 1, 2, ...n.
Terms
- a(0) =2a(1) =5a(2) =15a(3) =42a(4) =108a(5) =225a(6) =443a(7) =776a(8) =1273a(9) =1984a(10) =2986a(11) =4275a(12) =6005a(13) =8174a(14) =10882a(15) =14199a(16) =18297a(17) =23127a(18) =28961a(19) =35747a(20) =43692a(21) =52905a(22) =63555a(23) =75596a(24) =89320a(25) =104887a(26) =122387a(27) =141960a(28) =163914a(29) =188135
External references
- oeis: A392442