Algerbra?

[kitchmo]

If 1 =6
if 2=10
if 3=14
if 4=18 etc etc

what algebraic term represents n

[jan1956]

n = 6+(n-1)x4
i think
jan

[kitchmo]

Thanks Jan I'm trying your formula to get the "proof ".
Will report back. Ciao.
Alan

[kitchmo]

Seems good to me Jan! Thanks

[jimzee4]

Correct jan

series is an arithmetic progression where if l denotes the nth term we have l =a +(n-1)d - a being the starting value and d the common difference

[crofter]

It's a little simpler to state the nth term as being 2 + 4n