# A333966 (b-file synthesized from sequence entry) 1 1 2 60 3 280 4 420 5 840 6 1260 7 2520 8 6930 9 9240 10 13860 11 27720 12 55440 13 60060 14 120120 15 180180 16 240240 17 360360 18 720720 19 1021020 20 1801800 21 2042040 22 2282280 23 2762760 24 3063060 25 4084080 26 4564560 27 6126120 28 12252240 29 19399380 30 24504480 31 30630600 32 36756720 33 38798760 34 58198140 35 77597520