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A067240 as a simple table

na(n)
10
21
32
42
54
63
76
84
96
105
1110
124
1312
147
156
168
1716
187
1918
206
218
2211
2322
246
2520
2613
2718
288
2928
307
3130
3216
3312
3417
3510
368
3736
3819
3914
408
4140
429
4342
4412
4510
4623
4746
4810
4942
5021
5118
5214
5352
5419
5514
5610
5720
5829
5958
608
6160
6231
6312
6432
6516
6613
6766
6818
6924
7011
7170
7210
7372
7437
7522
7620
7716
7815
7978
8012
8154
8241
8382
8410
8520
8643
8730
8814
8988
9011
9118
9224
9332
9447
9522
9618
9796
9843
9916
10022

[0,1,2,2,4,3,6,4,6,5,10,4,12,7,6,8,16,7,18,6,8,11,
 22,6,20,13,18,8,28,7,30,16,12,17,10,8,36,19,14,8,
 40,9,42,12,10,23,46,10,42,21,18,14,52,19,14,10,20,
 29,58,8,60,31,12,32,16,13,66,18,24,11,70,10,72,37,
 22,20,16,15,78,12,54,41,82,10,20,43,30,14,88,11,
 18,24,32,47,22,18,96,43,16,22]