# A261902 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 2 6 2 7 2 8 6 9 2 10 6 11 2 12 2 13 24 14 8 15 4 16 8 17 4 18 2 19 120 20 12 21 8 22 4 23 20 24 2 25 2 26 720 27 72 28 48 29 8 30 8 31 12 32 6 33 2 34 5040 35 144 36 48 37 16 38 8 39 4 40 42 41 4 42 2 43 40320 44 1152 45 144 46 128 47 16 48 8 49 12 50 23 51 6 52 2 53 362880 54 2880 55 1296 56 96 57 64 58 16 59 8 60 8 61 54 62 4 63 2