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A074818 as a simple table

na(n)
12
22
34
44
59
65
715
810
916
1012
1129
1213
1338
1419
1526
1627
1756
1821
1964
2029
2142
2236
2380
2430
2578
2647
2769
2846
29106
3031
31123
3266
3384
3466
35103
3651
37153
3878
39104
4070
41175
4252
43187
4488
45106
4696
47207
4875
49195
5092
51147
52111
53237
5484
55187
56113
57170
58131
59273
6075
61279
62142
63176

[2,2,4,4,9,5,15,10,16,12,29,13,38,19,26,27,56,21,
 64,29,42,36,80,30,78,47,69,46,106,31,123,66,84,66,
 103,51,153,78,104,70,175,52,187,88,106,96,207,75,
 195,92,147,111,237,84,187,113,170,131,273,75,279,
 142,176]