# A264613 (b-file synthesized from sequence entry) 1 2 2 5 3 8 4 11 5 23 6 32 7 47 8 95 9 128 10 191 11 383 12 512 13 767 14 1535 15 2048 16 3071 17 6143 18 8192 19 12287 20 24575 21 32768 22 49151 23 98303 24 131072 25 196607 26 393215 27 524288 28 786431 29 1572863 30 2097152 31 3145727 32 6291455 33 8388608