# A287861 (b-file synthesized from sequence entry) 1 36 2 120 3 180 4 240 5 360 6 540 7 720 8 1080 9 1200 10 1260 11 1680 12 2160 13 2520 14 3780 15 5040 16 7560 17 10080 18 15120 19 25200