Can anyone help me find rules from a function table sequence?

Question

anonymous · Answer

|dw:1386366257309:dw|

amistre64 · Answer

i can get to a second tier difference of multipliers

amistre64 · Answer

1x1 = 1
2x4 = 8
3x9 = 27
4x16 = 64


1  4    9   16
  3   5   7
     2  2

anonymous · Answer

there is no pattern, do you the admins made a mistake ?

anonymous · Answer

think ^

amistre64 · Answer

you either need to develop a rule that will match those 4 specific points, or find some pattern that fits.

not all patterns are arithmetic or geometric

amistre64 · Answer

http://www.wolframalpha.com/input/?i=table+%7B%28n%29%281%2B3%28n-1%29%2B%28n-1%29%28n-2%29%29%7D%2C+n%3D1+to+4

anonymous · Answer

none of the written solutions matched

amistre64 · Answer

how would i know what matches or not?

amistre64 · Answer

lol,  y = x^3  ... man im putting way to much effort into these things

amistre64 · Answer

i knew it looked familar :/  oh well

anonymous · Answer

thanks bro

amistre64 · Answer

yep

amigatour · Answer

Amistre, excellent! I'm also working in similar problems. I drew a graph and it's very steep. Lol. I tried many formulas and didn't work.

amigatour · Answer

Now, when I checked back, it's f(x)=x^3. Haha!

amistre64 · Answer

:)