In the number series 4, 6, 10, 14, 22, 26, 34, 38, what number comes at eleventh place?

Answer 1

Double the prime numbers:
4, 6, 10, 14, 22, 26, 34, 38, 46, 58, 62
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31
31*2=62