функция A(x,y) определена как
A(0,y) = 1, y ≥ 0
A(1,0) = 2
A(x,0) = x + 2, x ≥ 2
A(x + 1, y + 1) = A( A(x, y + 1), y), x ≥ 0, y ≥ 0
A(4,3) = ?
A(0,y) = 1, y ≥ 0
A(1,0) = 2
A(x,0) = x + 2, x ≥ 2
A(x + 1, y + 1) = A( A(x, y + 1), y), x ≥ 0, y ≥ 0
A(4,3) = ?