# A112051 (b-file synthesized from sequence entry) 1 1 2 3 3 11 4 24 5 60 6 84 7 144 8 180 9 264 10 420 11 480 12 684 13 840 14 924 15 1104 16 1404 17 1740 18 1860 19 2244 20 2520 21 2664 22 3120 23 3444 24 3960 25 4704 26 5100 27 5304 28 5724 29 5940 30 6384 31 8064 32 8580 33 9384 34 9660 35 11100 36 11400 37 12324 38 13284 39 13944 40 14964 41 16020 42 16380 43 18240