Here Is A Rain Man Puzzle For You

[Mal12345]

 

[1487610420]

u [sub]n[/sub] = u[sub]1[/sub] + (n-1)d

d=2

Sum[sub]n=28[/sub][1+ u[sub]1[/sub] + (n-1)d]

 

[Xann]

355!

 

[Mal12345]

355!

Cold.

 

[magpie]

There are no triangles. Only the computer code is real. Don't trust the image.

 

[Proctor]

5985

I can't believe nobody else got this. It's so simple, you cheat.

 

[Mal12345]

5985

I can't believe nobody else got this. It's so simple, you cheat.

But you didn't even get the answer right.

 

[Proctor]

But you didn't even get the answer right.

Hm, well that was the most common answer given in the comments section.

So, what is the correct answer? And by correct I don't mean what you believe it to be, but the actual solution given by the creator of the puzzle.

 

[Mal12345]

u [sub]n[/sub] = u[sub]1[/sub] + (n-1)d

d=2

Sum[sub]n=28[/sub][1+ u[sub]1[/sub] + (n-1)d]

I don't know how to solve this summation formula? Do you?

 

[1487610420]

I don't know how to solve this summation formula? Do you?

nope. wolfram mathmatica