# A104856 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 2 5 2 6 3 7 6 8 6 9 3 10 6 11 12 12 24 13 12 14 6 15 10 16 30 17 60 18 60 19 30 20 10 21 20 22 60 23 180 24 180 25 180 26 60 27 20 28 35 29 140 30 420 31 630 32 630 33 420 34 140 35 35 36 70 37 280 38 1120 39 1680 40 2520 41 1680 42 1120 43 280 44 70 45 126 46 630 47 2520 48 5040 49 7560 50 7560 51 5040 52 2520 53 630 54 126 55 252 56 1260 57 6300