Number of edges in 6-partite Turán graph of order n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =3a(4) =6a(5) =10a(6) =15a(7) =20a(8) =26a(9) =33a(10) =41a(11) =50a(12) =60a(13) =70a(14) =81a(15) =93a(16) =106a(17) =120a(18) =135a(19) =150a(20) =166a(21) =183a(22) =201a(23) =220a(24) =240a(25) =260a(26) =281a(27) =303a(28) =326a(29) =350