# A046204 (b-file synthesized from sequence entry) 1 2 2 6 3 4 4 12 5 20 6 30 7 60 8 42 9 140 10 8 11 56 12 168 13 280 14 72 15 252 16 504 17 630 18 10 19 90 20 360 21 840 22 1260 23 110 24 1320 25 2310 26 2772 27 132 28 660 29 1980 30 3960 31 5544 32 156 33 858 34 2860 35 10296 36 12012 37 14 38 182 39 1092 40 4004 41 10010 42 18018 43 24024 44 210 45 5460 46 30030 47 51480 48 16 49 240