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A038738 as a simple table

na(n)
11
21
33
41
55
68
71
87
917
1021
111
129
1330
1450
1555
161
1711
1847
19103
20138
21144
221
2313
2468
25188
26314
27370
28377
291
3015
3193
32313
33643
34895
35979
36987
371
3817
39122
40486
411201
421993
432455
442575
452584
461
4719
48155
49715
502080
514082
525798
536590
546755

[1,1,3,1,5,8,1,7,17,21,1,9,30,50,55,1,11,47,103,
 138,144,1,13,68,188,314,370,377,1,15,93,313,643,
 895,979,987,1,17,122,486,1201,1993,2455,2575,2584,
 1,19,155,715,2080,4082,5798,6590,6755]