User blog comment:Vel!/Laver.c/@comment-5150073-20140822085835/@comment-25418284-20140822153113

As the article says, we know next to nothing about the growth rate of q. We don't even know if it has a growth rate. Hell, it could even just jump to q(5) and start incrementing q(5) + 1, q(5) + 2, q(5) + 3, etc.