9 7 3 5 2 July 8, 2019 16 32 64 128 9 3 7 * 5 22 9 7 5 3 2 1 9 7 3 5 6 2 9 3 7 х 5 22 9 8 7 5 3 2 7 9 х 3 4 х 5 21 1 3 5 7 9 2n 1 formula 1 3 5 7 9 2n 1 sum formula 1 3 5 7 9 2n 1 7 3 2k )+ 9 k 5 2 3 5 7 9 next number 9 7 5 3 4 2 4 9 3 7 x 2 5 2 9 2 7 x 3 5 3 5 7 9 soma 20