5 7 9 3 2 July 8, 2019 16 32 64 128 5 6 7 9 2 3 5 7 9 1 2 3 7 5 8 9 2 3 1 3 5 7 9 2n 1 formula 1 3 5 7 9 2n 1 sum formula 1 3 5 7 9 2n 1 9 3 7 * 5 22 9 3 7 х 5 22 5 7 4 3 9 2 5 x 7 )+ 9 3 x 2 )+ 4 3 5 7 9 soma 20 X 7 5 3 9 2 3 5 6 7 9 x 4 3 1 2 5 7 9 2n 3 n2 4n 3 5 7 9 20