Evaluate ⌊√1⌋+⌊√2⌋+⌊√3⌋+⋯+⌊√29⌋
from 1 to 3: 1
from 4 to 8: 2
from 9 to 15: 3
from 16 to 24: 4
from 25 to 29: 5
3(1) + 5(2) + 7(3) + 9(4) + 5(5) = 95
+1223 
