# A101343 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 2 5 6 6 8 7 2 8 24 9 40 10 16 11 120 12 240 13 136 14 16 15 720 16 1680 17 1232 18 272 19 5040 20 13440 21 12096 22 3968 23 272 24 40320 25 120960 26 129024 27 56320 28 7936 29 362880 30 1209600 31 1491840 32 814080 33 176896 34 7936 35 3628800 36 13305600 37 18627840 38 12207360 39 3610112 40 353792