Number of groups of order n^2.

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =14a(5) =2a(6) =14a(7) =2a(8) =267a(9) =15a(10) =16a(11) =2a(12) =197a(13) =2a(14) =12a(15) =6a(16) =56092a(17) =2a(18) =176a(19) =2a(20) =221a(21) =13a(22) =12a(23) =2a(24) =8681a(25) =15a(26) =16a(27) =504a(28) =172a(29) =2