# A133582 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 6 5 8 6 12 7 15 8 30 9 40 10 60 11 70 12 105 13 210 14 280 15 420 16 480 17 560 18 840 19 945 20 1890 21 2520 22 2772 23 3465 24 6930 25 9240 26 10395 27 20790 28 27720 29 30030 30 40040 31 60060 32 68640 33 80080 34 120120 35 135135 36 270270 37 360360 38 384384 39 480480 40 540540 41 617760 42 720720 43 765765