4444488889
domain: N
Appears in sequences
- Smallest square starting with a string of n 4's.at n=4A034985
- Squares composed of digits {4,8,9}.at n=10A053967
- a(n) consists of n 4's, n-1 8's and a single 9 (in that order).at n=4A109344
- Squares that remain squares if you decrease them by 3 times a repunit with the same number of digits.at n=16A273230
- Squares formed by concatenating k and 2*k+1.at n=12A309828