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A186826 as a simple table

na(n)
01
11
21
33
43
51
611
711
85
91
1045
1145
1223
137
141
15197
16197
17107
1839
199
201
21903
22903
23509
24205
2559
2611
271
284279
294279
302473
311061
32347
3383
3413
351
3620793
3720793
3812235
395483
401949
41541
42111
4315
441
45103049
46103049
4761463
4828435
4910717
503285
51795
52143
5317
541
55518859
56518859
57312761
58148249
5958351
6019199
615197
621117
63179
6419
651

[1,1,1,3,3,1,11,11,5,1,45,45,23,7,1,197,197,107,
 39,9,1,903,903,509,205,59,11,1,4279,4279,2473,
 1061,347,83,13,1,20793,20793,12235,5483,1949,541,
 111,15,1,103049,103049,61463,28435,10717,3285,795,
 143,17,1,518859,518859,312761,148249,58351,19199,
 5197,1117,179,19,1]