220002
domain: N
Appears in sequences
- Numbers k such that k^2 contains only digits {0,4,8}, not ending with zero.at n=15A058441
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 8.at n=52A136885
- Numbers k such that k and k^2 use only the digits 0, 2, 4 and 8.at n=33A136908
- Numbers k such that k^2 has only digits 0, 4 and 8.at n=37A202170