# A134247 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 3 4 5 5 1 6 4 7 12 8 9 9 1 10 5 11 22 12 30 13 14 14 1 15 6 16 35 17 70 18 60 19 20 20 1 21 7 22 51 23 135 24 170 25 105 26 27 27 1 28 8 29 70 30 231 31 385 32 350 33 168 34 35 35 1 36 9 37 92 38 364 39 756 40 910 41 644 42 252 43 44 44 1 45 10 46 117 47 540 48 1344 49 2016 50 1890 51 1092 52 360 53 54 54 1