# A328449 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 6 4 12 5 0 6 60 7 420 8 840 9 0 10 2520 11 0 12 27720 13 0 14 0 15 360360 16 720720 17 0 18 12252240 19 0 20 0 21 0 22 232792560 23 0 24 5354228880 25 0 26 26771144400 27 0 28 80313433200 29 0 30 2329089562800 31 72201776446800 32 0 33 0 34 0 35 0 36 144403552893600 37 0 38 0 39 0 40 5342931457063200 41 0