# A090979 (b-file synthesized from sequence entry) 1 2 2 6 3 15 4 24 5 40 6 60 7 70 8 112 9 135 10 180 11 165 12 276 13 247 14 378 15 420 16 480 17 408 18 648 19 513 20 800 21 819 22 946 23 782 24 1248 25 1125 26 1378 27 1404 28 1596 29 1189 30 1950 31 1364 32 2176 33 2079 34 2414 35 2415 36 2880 37 1998 38 3002 39 3081 40 3640 41 2460 42 3948 43 2709 44 4180 45 4320 46 4416 47 3196 48 5376