6, 13, 41, 153, _____, 2393
回复：What number is missing from the following sequence?
回复：回复：What number is missing from the following sequence?
Can you tell me why "601"?
回复：Can you tell me why "601"?
佩服! 佩服! 佩服!
a different way to look at it
huntermage
2009-01-08 17:43:29回复：What number is missing from the following sequence?