What is the nth term for 4,6,10,16,24,34,46

The pattern is
starting with a difference of 2 between 4 and 6. a difference of 4 between 6 and 10. a difference of 6 between 10 and 16. a difference of 8 between 16 and 24. a difference of 10 between 24 and 34. a difference of 12 between 34 and 46.
the difference does up by 2 each time
2
4
6
8
10
12
so +14 to 46 = 60
+16 to 60 = 76 for the 9th spot in the pattern