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A257997 as a simple table

na(n)
11
22
33
44
55
66
78
89
910
1012
1115
1216
1318
1420
1524
1625
1727
1832
1936
2040
2145
2248
2350
2454
2564
2672
2775
2880
2981
3096
31100
32108
33125
34128
35135
36144
37160
38162
39192
40200
41216
42225
43243
44250
45256
46288
47320
48324
49375
50384
51400
52405
53432
54486
55500
56512
57576
58625
59640

[1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,25,27,32,36,
 40,45,48,50,54,64,72,75,80,81,96,100,108,125,128,
 135,144,160,162,192,200,216,225,243,250,256,288,
 320,324,375,384,400,405,432,486,500,512,576,625,
 640]