# A193899 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 5 5 10 6 4 7 10 8 21 9 42 10 8 11 20 12 42 13 85 14 170 15 16 16 40 17 84 18 170 19 341 20 682 21 32 22 80 23 168 24 340 25 682 26 1365 27 2730 28 64 29 160 30 336 31 680 32 1364 33 2730 34 5461 35 10922 36 128 37 320 38 672 39 1360 40 2728 41 5460 42 10922 43 21845 44 43690 45 256 46 640 47 1344 48 2720 49 5456 50 10920