Numbers n such that n is a substring of its square (both n and n squared in base 4) (written in base 10).

A018828

Numbers n such that n is a substring of its square (both n and n squared in base 4) (written in base 10).

Terms

    a(0) =0a(1) =1a(2) =4a(3) =16a(4) =41a(5) =54a(6) =64a(7) =164a(8) =165a(9) =256a(10) =290a(11) =487a(12) =545a(13) =566a(14) =1024a(15) =1160a(16) =1948a(17) =2180a(18) =3546a(19) =4096a(20) =4226a(21) =4261a(22) =7625a(23) =8321a(24) =8720a(25) =9514a(26) =13813a(27) =13867a(28) =15913a(29) =16158

External references