# A051290 (b-file synthesized from sequence entry) 0 1 1 4 2 1 3 12 4 6 5 3 6 32 7 24 8 24 9 4 10 80 11 80 12 120 13 40 14 10 15 192 16 240 17 480 18 240 19 120 20 15 21 448 22 672 23 1680 24 1120 25 840 26 210 27 35 28 1024 29 1792 30 5376 31 4480 32 4480 33 1680 34 560 35 56 36 2304 37 4608 38 16128 39 16128 40 20160 41 10080 42 5040 43 1008 44 126