# A080338 (b-file synthesized from sequence entry) 1 2 2 3 3 6 4 18 5 36 6 108 7 324 8 648 9 3888 10 11664 11 23328 12 34992 13 69984 14 209952 15 419904 16 1259712 17 2519424 18 22674816 19 45349632 20 136048896 21 272097792 22 408146688 23 816293376 24 2448880128 25 14693280768 26 29386561536 27 88159684608 28 264479053824