# A066045 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 8 5 18 6 5 7 42 8 118 9 90 10 15 11 144 12 900 13 1075 14 450 15 52 16 1440 17 6788 18 12375 19 8475 20 2340 21 203 22 5760 23 61824 24 141470 25 140175 26 63700 27 12789 28 877 29 75600 30 586584 31 1700580 32 2218335 33 1441440 34 474614 35 73668 36 4140 37 524160 38 6064416 39 21677980