# A050872 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 5 4 8 5 17 6 38 7 65 8 128 9 284 10 518 11 1025 12 2168 13 4097 14 8198 15 16907 16 32768 17 65537 18 133088 19 262145 20 524408 21 1056731 22 2097158 23 4194305 24 8421248 25 16777712 26 33554438 27 67239680 28 134217848 29 268435457 30 537396698 31 1073741825 32 2147483648