# A043844 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 10 6 15 7 21 8 42 9 63 10 85 11 170 12 255 13 341 14 682 15 1023 16 1365 17 2730 18 4095 19 5461 20 10922 21 16383 22 17476 23 17478 24 17479 25 17480 26 17481 27 17483 28 17484 29 17485 30 17486 31 17505 32 17506 33 17507 34 17508 35 17510 36 17511 37 17516 38 17517 39 17518