400880484

Appears in sequences

• Squares whose decimal expansion digits occur with an exact frequency of 3.at n=6A052096
• Squares composed of digits {0,4,8}, not ending with zero.at n=8A058442
• Squares containing only the digits 0, 4 or 8.at n=18A202172
• Squares k that are not divisible by 10, and whose reverse and digit sum are also squares, such that the digit sum divides both k and its reverse.at n=20A354078