# A123316 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 6 5 9 6 12 7 24 8 36 9 48 10 60 11 120 12 180 13 240 14 300 15 360 16 720 17 1080 18 1440 19 1800 20 2160 21 2520 22 5040 23 7560 24 10080 25 12600 26 15120 27 17640 28 20160 29 40320 30 60480 31 80640 32 100800 33 120960 34 141120 35 161280 36 181440 37 362880 38 544320 39 725760 40 907200 41 1088640