# A155594 (b-file synthesized from sequence entry) 0 1 1 11 2 103 3 1007 4 10015 5 100031 6 1000063 7 10000127 8 100000255 9 1000000511 10 10000001023 11 100000002047 12 1000000004095 13 10000000008191 14 100000000016383 15 1000000000032767 16 10000000000065535 17 100000000000131071