N 1 4 6 5 1 2 July 8, 2019 16 32 64 128 1 2 3 4 5 6 n=-1/12 1 2 3 4 5 6 n =- 1 12 demonstration 1 n 4 bl 4 cv olc 1 5 6 6 2 7 N 5 6 n 1 12 ∙ n 1 4 при n = 64