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A231070 as a simple table

na(n)
11
21
31
42
53
62
73
84
94
103
115
1211
1311
1411
155
168
1715
1824
1924
2015
218
2213
2342
2459
2589
2659
2742
2813
2921
3057
31139
32191
33191
34139
3557
3621
3734
38161
39332
40748
41685
42748
43332
44161
4534
4655
47218
48796
491573
502379
512379
521573
53796
54218
5555
5689
57617
581903
596259
608357
6113785
628357

[1,1,1,2,3,2,3,4,4,3,5,11,11,11,5,8,15,24,24,15,8,
 13,42,59,89,59,42,13,21,57,139,191,191,139,57,21,
 34,161,332,748,685,748,332,161,34,55,218,796,1573,
 2379,2379,1573,796,218,55,89,617,1903,6259,8357,
 13785,8357]