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A197956 as a simple table

na(n)
11
21
31
42
51
63
71
84
97
101
115
1212
131
146
1518
1629
171
187
1925
2053
211
228
2333
2485
25130
261
279
2842
29126
30247
311
3210
3352
34177
35414
36611
371
3811
3963
40239
41642
421192
431
4412
4575
46313
47943
482062
492965
501
5113
5288
53400
541330
553306
565897
571
5814
59102
60501
611817
625023
6310447
6414726

[1,1,1,2,1,3,1,4,7,1,5,12,1,6,18,29,1,7,25,53,1,8,
 33,85,130,1,9,42,126,247,1,10,52,177,414,611,1,11,
 63,239,642,1192,1,12,75,313,943,2062,2965,1,13,88,
 400,1330,3306,5897,1,14,102,501,1817,5023,10447,
 14726]