# A153838 (b-file synthesized from sequence entry) 1 1 2 3 3 6 4 9 5 12 6 21 7 24 8 27 9 30 10 45 11 66 12 69 13 84 14 105 15 156 16 192 17 195 18 222 19 273 20 366 21 504 22 528 23 531 24 558 25 717 26 912 27 1236 28 1536 29 1539 30 1572 31 1581 32 1797 33 2346 34 3060 35 4008 36 4464 37 4467 38 4500 39 4725 40 5940 41 7752 42 10128 43 12480 44 12483 45 12516 46 12522 47 12741 48 12825 49 13959