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A197342 as a simple table

na(n)
11
21
31
41
52
61
71
85
95
101
111
128
1311
148
151
161
1718
1838
1938
2018
211
221
2337
24103
25167
26103
2737
281
291
3073
31297
32681
33681
34297
3573
361
371
38151
39856
402864
414005
422864
43856
44151
451
461
47306
482458
4912148
5025336
5125336
5212148
532458
54306
551
561
57621
587045
5951480
60159818
61238206

[1,1,1,1,2,1,1,5,5,1,1,8,11,8,1,1,18,38,38,18,1,1,
 37,103,167,103,37,1,1,73,297,681,681,297,73,1,1,
 151,856,2864,4005,2864,856,151,1,1,306,2458,12148,
 25336,25336,12148,2458,306,1,1,621,7045,51480,
 159818,238206]