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Mysterious sequence found on alien rock:

Mysterious sequence found on alien rock:

Posers and Puzzles

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Whats the next number?
15, 7, 378, 512, (?)

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Originally posted by sonhouse
Whats the next number?
15, 7, 378, 512, (?)
There's a deafening silence about this one. I'm stumped anyway

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Originally posted by Kirwan
There's a deafening silence about this one. I'm stumped anyway
well there Is an answer...

1 edit
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Originally posted by sonhouse
well there Is an answer...
Who wudda thunk it?

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Originally posted by sonhouse
Whats the next number?
15, 7, 378, 512, (?)
the next number, i would have to assume, would be x, with x being between positive and negative infinity

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Originally posted by ketch90
the next number, i would have to assume, would be x, with x being between positive and negative infinity
well duh

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Originally posted by sofar55
well duh
Well its an assumption. You can work with that, narrows it down
quite a bit, eh!

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idk you tell me

1 edit
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15109 ... someone has to guess something.

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Originally posted by Balla88
15109 ... someone has to guess something.
Well its less than 15109. That almost eliminates an entire infinity
right there.

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8734 ... hmk ok so having tried many things can you tell us whether it is some kind of mathematical progression or more of a pattern type thing.

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Originally posted by Balla88
8734 ... hmk ok so having tried many things can you tell us whether it is some kind of mathematical progression or more of a pattern type thing.
Ok, I guess I have had you hanging on my every word long enough:
The answer, drum roll,, ,, ,, ,, is:
Its the name of the numbered streets as you go east on route
22 from 15th street, 7th street, 378, 512 and then: 191 🙂
Heck, anyone from Allentown Pa could have told you that🙂

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Haha good one. I lived in PA for 4 years, but my Allentown knowledge is very limited, having only been there once.

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i live in PA i think?

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Originally posted by rubikscuber
i live in PA i think?
I live in Pa, I think, therefore I am not in New Jersey?