# A131121 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 2 6 2 7 12 8 12 9 12 10 12 11 120 12 120 13 1440 14 1440 15 10080 16 30240 17 60480 18 60480 19 120960 20 120960 21 2419200 22 7257600 23 79833600 24 79833600 25 479001600 26 479001600 27 12454041600 28 12454041600 29 174356582400 30 174356582400 31 5230697472000