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A371972 as a simple table

na(n)
11
22
34
46
59
612
716
820
925
1030
1136
1242
1349
1456
1564
1672
1781
1890
19100
20110
21120
22131
23144
24156
25168
26182
27196
28210
29225
30239
31256
32270
33288
34306
35321
36342
37361
38380
39399
40420
41441
42460
43484
44505
45527
46552
47576
48599
49623
50649
51673
52702
53729
54752
55781
56808
57840
58870
59900

[1,2,4,6,9,12,16,20,25,30,36,42,49,56,64,72,81,90,
 100,110,120,131,144,156,168,182,196,210,225,239,
 256,270,288,306,321,342,361,380,399,420,441,460,
 484,505,527,552,576,599,623,649,673,702,729,752,
 781,808,840,870,900]