We will subtract 1, because Babylon
is mentioned in the genealogy. Babylon is not
a person, but a place. OK. Now that Babylon 
is fallen, we have 41 generations. And there we
have our "timeline"! 

Genesis 5- "10" generations
Genesis 11- "9" generations
Matthew 1- "41" generations

10 + 9 + 41 = 60

14 + 14 + 14 = 42