# A110768 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 6 5 20 6 6 7 10 8 72 9 210 10 24 11 15 12 182 13 1320 14 3024 15 120 16 21 17 380 18 4896 19 32760 20 55440 21 720 22 28 23 702 24 13800 25 175560 26 1028160 27 1235520 28 5040 29 36 30 1190 31 32736 32 657720 33 7893600 34 39070080 35 32432400 36 40320 37 45 38 1892 39 68880 40 1974024 41 38955840