Number of asymmetric types of (3,n)-hypergraphs under action of symmetric group S_3.

Terms

a(0) =1a(1) =8a(2) =29a(3) =82a(4) =198a(5) =426a(6) =841a(7) =1556a(8) =2726a(9) =4568a(10) =7373a(11) =11522a(12) =17507a(13) =25958a(14) =37658a(15) =53582a(16) =74924a(17) =103130a(18) =139938a(19) =187426a(20) =248044a(21) =324678a(22) =420698a(23) =540014a(24) =687141a(25) =867274a(26) =1086343a(27) =1351108a(28) =1669234a(29) =2049376