# A354424 (b-file synthesized from sequence entry) 1 2 2 6 3 10 4 12 5 15 6 20 7 28 8 30 9 40 10 42 11 56 12 60 13 84 14 105 15 120 16 140 17 168 18 180 19 210 20 252 21 280 22 315 23 330 24 360 25 385 26 390 27 420 28 616 29 630 30 660 31 770 32 780 33 840 34 924 35 1092 36 1155 37 1260 38 1540 39 1820 40 1848 41 1980 42 2184 43 2310 44 2520 45 2730 46 3080 47 3465 48 3640 49 3960 50 4095 51 4290 52 4620 53 5460 54 6552 55 6930