Number of transitive permutation groups of degree n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =5a(5) =16a(6) =7a(7) =50a(8) =34a(9) =45a(10) =8a(11) =301a(12) =9a(13) =63a(14) =104a(15) =1954a(16) =10a(17) =983a(18) =8a(19) =1117a(20) =164a(21) =59a(22) =7a(23) =25000a(24) =211a(25) =96a(26) =2392a(27) =1854a(28) =8a(29) =5712