Number of nonisomorphic groups with prime power order p^m, m>1.

Terms

a(0) =1a(1) =2a(2) =5a(3) =2a(4) =14a(5) =2a(6) =5a(7) =51a(8) =2a(9) =267a(10) =15a(11) =2a(12) =5a(13) =2328a(14) =2a(15) =67a(16) =56092a(17) =2a(18) =5a(19) =2a(20) =10494213a(21) =2a(22) =15a(23) =504a(24) =2a(25) =2a(26) =49487367289a(27) =5a(28) =2a(29) =2