A038104 Numbers n with property that n is a substring of its base 4 representation.
0, 1, 2, 3, 3320, 3321, 3322, 3323, 112000, 112001, 112002, 112003, 121322, 121330, 211320, 211321, 211322, 211323, 320232, 320302, 321230, 321301, 322222, 323221, 323320, 323321, 323322, 323323, 10030333, 20332101, 30132120, 30132121
Offset: 1
Examples
323323 = base 10 -> 1032{323323} = base 4.
Links
- Giovanni Resta, Table of n, a(n) for n = 1..107 (terms < 10^16)