Source: Previous puzzle experience.
1, 10, 0*1=0 2, 25, 5*2=10 (1) 3, 39, 9*3=27, 7*2=14, 4*1=4 4, 77, 7*7=49, 9*4=36, 6*3=18, 8*1=8 5, 117, 7*11=77 (4) 6, 139, 9*13=117 (5) 7, 419, 9*41=369, 9*36=324, 4*32=128, 8*12=96, 6*9=54, 4*5=20, 0*2=0 8, 529, 9*52=468, 8*46=368, 8*36=288, 8*28=224, 4*22=88, 8*8=64, 6*4=24, 2*4=8 9, 619, 9*61=549, 9*54=486, 8*46=368 (8) 10, 878, 8*87=696, 9*66=594, 9*54=486 (9) 11, 1119, 9*111=999, 9*99=891, 8*91=728, 8*72=576, 7*56=392, 9*32=288 (8) 12, 1897, 8*197=1576, 7*156=1092, 9*102=918, 8*91=728 (11) 13, 2717, 7*271=1897 (12) 14, 3319, 9*331=2979, 9*297=2673, 7*263=1841, 8*141=1128, 8*112=896, 8*96=768, 6*78=468 (8) 15, 3719, 9*371=3339, 9*333=2997, 9*297=2673 (14) 16, 5899, 8*599=4792, 9*472=4248, 8*424=3392, 9*332=2988, 8*298=2384, 8*234=1872, 7*182=1274, 7*124=868, 8*86=688, 6*88=528, 8*52=416, 6*41=246, 6*24=144, 4*14=56, 5*6=30, 0*3=0 17, 6929, 9*692=6228, 8*622=4976, 9*476=4284, 8*424=3392 (16) 18, 8748, 8*874=6992, 9*692=6228 (17) 19, 9729, 9*972=8748 (18) 20, 10819, 9*1081=9729 (19) 21, 15318, 8*1531=12248, 8*1224=9792, 9*972=8748 (18) 22, 17029, 9*1702=15318 (21) 23, 19819, 9*1981=17829, 9*1782=16038, 8*1603=12824, 8*1224=9792 (21) 24, 22219, 9*2221=19989, 9*1998=17982, 9*1782=16038 (23) 25, 37049, 9*3704=33336, 6*3333=19998, 9*1998=17982 (24) 26, 45319, 9*4531=40779, 9*4077=36693, 9*3663=32967, 6*3297=19782, 9*1782=16038 (23) 27, 57929, 9*5792=52128, 8*5212=41696, 9*4166=37494, 9*3744=33696, 9*3366=30294, 9*3024=27216, 6*2721=16326, 6*1632=9792 (21) 28, 65219, 9*6521=58689, 9*5868=52812, 8*5212=41696 (27) 29, 72819, 9*7281=65529, 9*6552=58968, 9*5868=52812 (28) 30, 80919, 9*8091=72819 (29) 31, 89919, 9*8991=80919 (30) 32, 99919, 9*9991=89919 (31)