# A249631 (b-file synthesized from sequence entry) 2 2 3 2 4 6 5 2 6 12 7 24 8 2 9 20 10 72 11 120 12 2 13 34 14 180 15 480 16 720 17 2 18 56 19 428 20 1632 21 3600 22 5040 23 2 24 88 25 1042 26 5124 27 15600 28 30240 29 40320 30 2 31 136 32 2512 33 15860 34 61872 35 159840 36 282240 37 362880 38 2 39 208 40 5912 41 50186 42 236388 43 773040 44 1764000 45 2903040 46 3628800