# A080742 (b-file synthesized from sequence entry) 0 2 1 6 2 12 3 30 4 60 5 120 6 210 7 420 8 840 9 1260 10 2520 11 2310 12 5040 13 9240 14 13860 15 27720 16 32760 17 55440 18 65520 19 120120 20 180180 21 360360 22 235620 23 720720 24 556920 25 942480 26 1113840 27 1531530