1999396
domain: N
Appears in sequences
- Smallest square containing exactly n 9's.at n=3A036516
- Smaller of two consecutive squares which have no common digits.at n=16A068802
- a(n) = (floor(sqrt(2)*10^n))^2.at n=3A114761
- Largest perfect square less than 2*10^n.at n=6A126981
- Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=11A208011