# A036484 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 6 4 12 5 24 6 60 7 120 8 240 9 360 10 840 11 1680 12 2520 13 7560 14 15120 15 27720 16 55440 17 110880 18 221760 19 498960 20 720720 21 1441440 22 3603600 23 7207200 24 14414400 25 32432400 26 61261200 27 122522400 28 245044800 29 367567200 30 735134400 31 2095133040