# A274883 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 4 5 4 6 3 7 6 8 12 9 8 10 2 11 24 12 24 13 32 14 16 15 10 16 20 17 120 18 80 19 80 20 32 21 5 22 120 23 120 24 480 25 240 26 192 27 64 28 35 29 70 30 840 31 560 32 1680 33 672 34 448 35 128 36 14 37 560 38 560 39 4480 40 2240 41 5376 42 1792 43 1024 44 256 45 126 46 252 47 5040 48 3360 49 20160 50 8064 51 16128 52 4608 53 2304 54 512