200202

Appears in sequences

• Numbers k such that k^2 contains only digits {0,4,8}, not ending with zero.at n=13A058441
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 8.at n=44A136885
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 6 and 8.at n=49A136904
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 7 and 8.at n=55A136906
• Numbers k such that k and k^2 use only the digits 0, 2, 4 and 8.at n=27A136908
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 8 and 9.at n=51A136909
• Numbers whose decimal expansion contains only 0's and 2's.at n=37A169965
• Numbers k such that k^2 has only digits 0, 4 and 8.at n=31A202170
• Lexicographically earliest sequence of distinct terms > 1 such that no term is a substring of the product of any two terms.at n=40A381242