# A320675 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 7 5 10 6 20 7 27 8 31 9 40 10 127 11 138 12 219 13 245 14 276 15 552 16 650 17 682 18 1364 19 2047 20 2728 21 8191 22 10922 23 13515 24 14043 25 32747 26 112347 27 131071 28 524287 29 2796202 30 3459945 31 5592404 32 7124187 33 8388607 34 8530050 35 10660010 36 11184808 37 16645111 38 17060100 39 21320020 40 33554431