a(n) = n_{n^2}.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =100a(10) =122a(11) =146a(12) =172a(13) =200a(14) =230a(15) =262a(16) =296a(17) =332a(18) =370a(19) =800a(20) =883a(21) =970a(22) =1061a(23) =1156a(24) =1255a(25) =1358a(26) =1465a(27) =1576a(28) =1691a(29) =2700