# A325703 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 1 5 6 6 2 7 24 8 1 9 1 10 6 11 120 12 2 13 720 14 24 15 3 16 1 17 5040 18 1 19 40320 20 6 21 24 22 120 23 362880 24 2 25 3 26 720 27 2 28 24 29 3628800 30 3 31 39916800 32 1 33 120 34 5040 35 24 36 1 37 479001600 38 40320 39 720 40 6 41 6227020800 42 24 43 87178291200 44 120 45 6 46 362880 47 1307674368000 48 2 49 12 50 3 51 5040 52 720