# A075385 (b-file synthesized from sequence entry) 1 1 2 4 3 9 4 20 5 30 6 54 7 56 8 104 9 126 10 160 11 154 12 264 13 234 14 364 15 390 16 480 17 374 18 630 19 475 20 780 21 819 22 946 23 713 24 1200 25 1100 26 1326 27 1350 28 1596 29 1160 30 1950 31 1333 32 2144 33 2046 34 2312 35 2380 36 2844 37 1961 38 3002 39 3081 40 3600 41 2378 42 3948 43 2666 44 4136 45 4275 46 4370 47 3149 48 5280