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A141691 as a simple table

na(n)
11
21
31
41
55
61
71
815
915
101
111
1237
1396
1437
151
161
1783
18448
19448
2083
211
221
23177
241779
253614
261779
27177
281
291
30367
316429
3223411
3323411
346429
35367
361
371
38749
3921898
40132323
41234250
42132323
4321898
44749
451
461
471515
4871742
49682746
501965468
511965468
52682746
5371742

[1,1,1,1,5,1,1,15,15,1,1,37,96,37,1,1,83,448,448,
 83,1,1,177,1779,3614,1779,177,1,1,367,6429,23411,
 23411,6429,367,1,1,749,21898,132323,234250,132323,
 21898,749,1,1,1515,71742,682746,1965468,1965468,
 682746,71742]