# A172319 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1023 11 2044 12 4084 13 8160 14 16304 15 32576 16 65088 17 130048 18 259840 19 519168 20 1037313 21 2072582 22 4141080 23 8274000 24 16531696 25 33030816 26 65996544 27 131863040 28 263466240 29 526413312 30 1051789311