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 y coordinates y = 1, 2, ...n.
A392444
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 y coordinates y = 1, 2, ...n.
Terms
- a(0) =1a(1) =6a(2) =27a(3) =85a(4) =222a(5) =467a(6) =912a(7) =1594a(8) =2609a(9) =4054a(10) =6075a(11) =8686a(12) =12167a(13) =16540a(14) =21993a(15) =28678a(16) =36903a(17) =46622a(18) =58323a(19) =71949a(20) =87894a(21) =106379a(22) =127720a(23) =151877a(24) =179415a(25) =210620a(26) =245697a(27) =284923a(28) =328884a(29) =377417
External references
- oeis: A392444