# A066673 (b-file synthesized from sequence entry) 1 7 2 13 3 35 4 65 5 97 6 193 7 485 8 769 9 1649 10 3281 11 8245 12 12289 13 24929 14 49601 15 124645 16 197633 17 423793 18 786433 19 2118965 20 3158273 21 6357089 22 12648641 23 31785445 24 50397953 25 108070513 26 202113281 27 540352565 28 805384193 29 1633771873 30 3221225473 31 8168859365 32 12952273921