# A182923 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 2 6 4 7 4 8 2 9 18 10 36 11 36 12 12 13 12 14 24 15 360 16 90 17 90 18 20 19 20 20 4 21 84 22 168 23 168 24 28 25 700 26 1400 27 37800 28 5400 29 5400 30 720 31 720 32 90 33 2970 34 5940 35 207900 36 23100 37 23100 38 46200 39 1801800 40 180180 41 180180 42 17160