I am getting a lot of blue smoke out of the exhaust after start.

What is your question?

After starting engine i get a lot of blue smoke for a couple of minutes. It smells like oil. After it warms up it goes away completely. It doesn't run hot or use an excessive amount of oil, though I have to add a little occasionally. What might be going on? Would a change of oil help? I believe 5w20 is recommended.