4 5 9 13 July 8, 2019 16 32 64 128 4 5 7 9 13 sequence 4 5 7 9 13 3 4 5 9 13 4 5 8 9 13 4 9 x 5 1 13 2 Il 4 5 9 13 Pola bilangan 4 5 9 13 5 4 9 0 13 4 5/9 divided by 13 4 2x 5 13 9 Shade 4 5 9 9 13 4 8 12 tetradecatrienal 5 9 13 trimethyl 4 6 9 13 5 4 3a 9 5 13 4 5 4 27 5 phần 9 13 9 2