# A159794 (b-file synthesized from sequence entry) 0 0 1 3 2 9 3 18 4 27 5 39 6 60 7 84 8 99 9 111 10 132 11 159 12 189 13 234 14 300 15 360 16 387 17 399 18 420 19 447 20 477 21 522 22 588 23 651 24 693 25 738 26 807 27 891 28 996 29 1152 30 1344 31 1488 32 1539 33 1551 34 1572 35 1599 36 1629 37 1674 38 1740 39 1803 40 1845 41 1890 42 1959 43 2043 44 2148 45 2304 46 2496 47 2643