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A246681 as a simple table

na(n)
01
12
23
35
44
57
66
79
810
98
1014
1111
1212
1315
1418
1520
1616
1725
1828
1921
2022
2124
2230
2327
2436
2540
2632
2750
2856
2933
3042
3113
3244
3348
3460
3554
3672
3745
3880
3964
40100
4135
42112
4375
4466
4584
4626
4763
4888
4996
50120
51108
52144
5381
5490
55160
56128
57200
5870
5949
60224
6199
62150
63132
64168
6552
66126
6755
68176
69192
70240
7139

[1,2,3,5,4,7,6,9,10,8,14,11,12,15,18,20,16,25,28,
 21,22,24,30,27,36,40,32,50,56,33,42,13,44,48,60,
 54,72,45,80,64,100,35,112,75,66,84,26,63,88,96,
 120,108,144,81,90,160,128,200,70,49,224,99,150,
 132,168,52,126,55,176,192,240,39]