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A144944 as a simple table

na(n)
01
11
21
31
43
53
61
75
811
911
101
117
1223
1345
1445
151
169
1739
18107
19197
20197
211
2211
2359
24205
25509
26903
27903
281
2913
3083
31347
321061
332473
344279
354279
361
3715
38111
39541
401949
415483
4212235
4320793
4420793
451
4617
47143
48795
493285
5010717
5128435
5261463
53103049
54103049

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