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Thank you very much :)

it's working fine and i got a result

at first i thought there is something with memory exhausted !

and when i trying to just add two parts like [ N^N + N^(N+1) ] it also give INF !!!

but this equation has a solution and now how to...

the equation is

@N means N^N + N^(N+1) + N^(N+2) + ... + N^(N+9)

Find the sum of digits in @321

so i made a little program that first calculate @N


$n = 321;