Numbers n such that both n and n^2 contain "123" as a substring.

Terms

a(0) =11123a(1) =12394a(2) =35123a(3) =50123a(4) =98123a(5) =111123a(6) =111230a(7) =111231a(8) =111232a(9) =111233a(10) =111234a(11) =111235a(12) =111236a(13) =111237a(14) =111238a(15) =111239a(16) =112394a(17) =123305a(18) =123463a(19) =123726a(20) =123743a(21) =123940a(22) =212394a(23) =312394a(24) =335123a(25) =351123a(26) =351230