0%

# Problem 282

The Ackermann function

For non-negative integers m, n, the Ackermann function A(m, n) is defined as follows:

For example A(1, 0) = 2, A(2, 2) = 7 and A(3, 4) = 125.

Find $\Sigma^6_{n=0}A(n,n)$ and give your answer mod 148.