Wow, nothing for months and now two things in one day.
I just got my copy of the xkcd book. So far I'm enjoying holding it. The pages are numbered strangely but I have faith that there is some reason behind it. So, those of you who are bigger math geeks than me (all of you) can you identify this sequence?:
1, 2, 10, 11, 12, 20, 100, 101, 102, 110, 111, 112, 120, 200, 1000, 1001, 1002, 1010, 1011, 1012, 1020, 1100, 1101, 1102, 1110...
Ok, I'm going to stop typing it out now. But can you identify it?
Matt
p.s. I have Benign Paroxysmal Positional Vertigo. It's sort of like being on drugs for free but crappy.
5 comments:
That's just counting in base 3 ... strange choice, though. The natural assumption for him would be base 2. It would go along with the name of the book: Volume 0, as computer scientists love counting from 0, and using base 2.
Ok, smarty pants. Tell me what this one is:
15, 11, 1, 25, 8, 5, 18, 5, 23, 5, 7, 15.
It's hard to tell from the writing here they may be grouped in twos like this:
(15, 11), (1, 25), (8, 5), (18, 5), (23, 5), (7, 15)
ah damn seth beat me to it. but i got it instantly.
i don't know what the 2nd sequence is, but my first guess is that it draws something in the Cartesian plane?
scratch that. looks meaningless in the cartesian plane.
i thought it might be a prime factorization thing, but that doesn't seem to be working out either.
dagnabbit... still stumped for now.
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