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## The relationship between these numbers

This is a discussion on The relationship between these numbers within the General Off Topic+ forums, part of the QJ.net Forum Miscellaneous category; I need to know what the relationship is between these numbers. Don't ask why. The ones on the and the ...

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1. ## The relationship between these numbers

I need to know what the relationship is between these numbers. Don't ask why.
The ones on the and the ones on the left. Can anyone figure out a general rule?
I already figured that you can find b if a is prime by using the equation b= a-3/2

a b
3 0
4 0
5 1
6 0
7 2
8 1
9 2
10 1
11 4
12 1
13 5
14 2
15 3
16 3

2. Originally Posted by billythekilly
I already figured that you can find b if a is prime by using the equation b= a-3/2

a b
3 0
b=a-3/2 wont work.
0=3-3/2
0=1.5 //0 does not equal 1.5

And if you ment b=(a-3)/2, it still won't work
b=(a-3)/2
0=(0)/2 // 0 can't be divied by 2, so 0 is not equal to 0 divided by 2

And if you ment b=(a-3)/2, it still won't work
b=(a-3)/2
0=(0)/2 // 0 can't be divied by 2, so 0 is not equal to 0 divided by 2
I beg to differ. Zero devided by two is in fact zero. Nothing wrong with that ;)

As for primes (in this range, i.e. 3,5,7,11 and 13) it is indeed b=(a-3)/2 (the brackets were probably just missing in the first posting).

4. Originally Posted by kuroneko
I beg to differ. Zero devided by two is in fact zero. Nothing wrong with that ;)

As for primes (in this range, i.e. 3,5,7,11 and 13) it is indeed b=(a-3)/2 (the brackets were probably just missing in the first posting).
Yes, i already know the prime formula and it works, i need the other stuff though.

5. Originally Posted by billythekilly
Yes, i already know the prime formula and it works, i need the other stuff though.
The remainder looks a bit messy. Any chance of a tiny bit of background on this one? Are there more numbers or is it just a sample?

6. Originally Posted by kuroneko
The remainder looks a bit messy. Any chance of a tiny bit of background on this one? Are there more numbers or is it just a sample?
It's the# of different stars that can be made from a # of points. a is the points, b is the star. The stars are formed by continually skipping spaces from point to point around the circle of points. If it stops without reacing the start then it doesn't count.

7. So..you want us to do your homework :P

8. Originally Posted by FrozenIpaq
So..you want us to do your homework :P
It's not actually homework. Believe it or not, i like math, and i'm trying to figure this out.

9. Hmmm..... Let's wait overnight and see if he still cares... because da tech might get mad.... :)

10. Sory, its a number can't be divided by zero, mind went wierd.

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