Number of edges in 5-partite Turán graph of order n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =3a(4) =6a(5) =10a(6) =14a(7) =19a(8) =25a(9) =32a(10) =40a(11) =48a(12) =57a(13) =67a(14) =78a(15) =90a(16) =102a(17) =115a(18) =129a(19) =144a(20) =160a(21) =176a(22) =193a(23) =211a(24) =230a(25) =250a(26) =270a(27) =291a(28) =313a(29) =336