2006002

Appears in sequences

• Numbers k such that k^2 contains only digits {0,2,4}, not ending with zero.at n=5A058423
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 6.at n=44A136883
• Numbers k such that k and k^2 use only the digits 0, 2, 4 and 6.at n=10A136902
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 6 and 7.at n=33A136903