Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- In[1]:=
- g[d_] := Select[Range[Floor[d/3] + 1, Ceiling[d/2] - 1],
- CoprimeQ[#, d] &];
- Sum[Length[g[d]], {d, 1, 12000}] // Timing
- Out[1]= {10.3822, 7295372}
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement