Graham's number

[UserLoser]

http://en.wikipedia.org/wiki/Graham%27s_number

Seems kinda crazy to me.  What "serious" proof was this actually used in and how the hell does someone come up with it?  Also what are the arrows going up mean exactly?

[Hell-Lord]

My understanding is it has something to do with the layers. But not 100% sure what and not 100% sure if i am right :p

[Barabajagal]

I've got a number larger!

G+1

[Yoni]

http://en.wikipedia.org/wiki/Graham%27s_number

Seems kinda crazy to me.  What "serious" proof was this actually used in and how the hell does someone come up with it?  Also what are the arrows going up mean exactly?

All your questions are answered in the wikipedia article...

[UserLoser]

http://en.wikipedia.org/wiki/Graham%27s_number

Seems kinda crazy to me.  What "serious" proof was this actually used in and how the hell does someone come up with it?  Also what are the arrows going up mean exactly?

All your questions are answered in the wikipedia article...

haters