Number of symmetric types of (3,2n)-hypergraphs under action of complementing group C(3,2).

Terms

a(0) =1a(1) =7a(2) =14a(3) =35a(4) =57a(5) =98a(6) =140a(7) =210a(8) =281a(9) =385a(10) =490a(11) =637a(12) =785a(13) =980a(14) =1176a(15) =1428a(16) =1681a(17) =1995a(18) =2310a(19) =2695a(20) =3081a(21) =3542a(22) =4004a(23) =4550a(24) =5097a(25) =5733a(26) =6370a(27) =7105a(28) =7841a(29) =8680