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/sci/ - Science & Math

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2333907 No.2333907 [Reply] [Original]

Hey /sci/, I'm bad at math and need some help. I'm trying to find a formula to find the nth number of a sequence. The sequence goes: 2, 6, 14, 30... I realize that each value is twice the last plus two but I don't know how to express this in a formula. Thanks.

>> No.2333914

Show me your vagina/penis first, and I'll consider helping you.

>> No.2333918

>>2333914
Help me and I'll consider showing you my vagina/penis.

>> No.2333924

>>2333918

I asked first. Otherwise you can enjoy failing math and ending up homeless on the street sucking some stray dog's cock.

>> No.2333928

>>2333918
No, you help me and then I'll show you your vagina/penis.

>> No.2333939

>>2333924
>Failing math.
It's not for a class. I don't even go to a school.

>> No.2333951

>>2333939
Then why do you need this kind of math?

>> No.2333953

2(2^x)-2

>> No.2333956

>>2333951
A game.

>> No.2333960

>>2333953
I mean 2(2^n)-2

>> No.2333975
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2333975

>>2333960
Thank you kindly.

>> No.2333979

>>2333975
see
>>2333918

>> No.2334010

x sub n+1 = 2*(x sub n)+2