Numbers that occur more than once in A338529.

Terms

a(0) =4320a(1) =23142a(2) =301310a(3) =333414a(4) =340352a(5) =375650a(6) =553520a(7) =644490a(8) =910872a(9) =921730a(10) =1133670a(11) =1366090a(12) =1422650a(13) =1440138a(14) =1650350a(15) =1705070a(16) =1751970a(17) =1874430a(18) =2091850a(19) =2180768a(20) =2852640a(21) =3213780a(22) =3438548a(23) =3676320a(24) =4044732a(25) =4444662a(26) =4682000a(27) =4854274a(28) =4863754a(29) =5101914