# A213936 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 1 6 1 7 6 8 3 9 1 10 1 11 24 12 12 13 4 14 1 15 1 16 120 17 60 18 20 19 5 20 1 21 1 22 720 23 360 24 120 25 30 26 6 27 1 28 1 29 5040 30 2520 31 840 32 210 33 42 34 7 35 1 36 1 37 40320 38 20160 39 6720 40 1680 41 336 42 56 43 8 44 1 45 1 46 362880 47 181440 48 60480 49 15120 50 3024 51 504 52 72 53 9 54 1 55 1