# A355996 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 3 6 1 7 1 8 6 9 4 10 1 11 1 12 30 13 20 14 5 15 1 16 1 17 60 18 60 19 30 20 6 21 1 22 1 23 420 24 420 25 210 26 42 27 7 28 1 29 1 30 840 31 3360 32 840 33 336 34 56 35 8 36 1 37 1 38 7560 39 10080 40 7560 41 3024 42 504 43 72 44 9 45 1 46 1 47 15120 48 100800 49 75600 50 15120 51 5040 52 720 53 90 54 10 55 1 56 1 57 166320 58 1108800 59 831600 60 166320 61 55440 62 7920 63 990 64 110 65 11 66 1