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A277790 as a simple table

na(n)
10
21
31
43
51
611
71
87
94
1017
111
129
131
1423
1523
1615
171
1819
191
2041
2131
2235
231
2459
256
2641
2713
2855
291
3071
311
3231
3347
3453
3547
365
371
3859
3955
4089
411
4295
431
4483
4577
4671
471
4841
498
5046
5171
5297
531
54119
5571
5617
5779
5889
591
60167
611
6295
63103
6463
6583
6613
671
68125
6995
70143
711
7297
731
74113
7541
76139
7795
78167
791
8037

[0,1,1,3,1,11,1,7,4,17,1,9,1,23,23,15,1,19,1,41,
 31,35,1,59,6,41,13,55,1,71,1,31,47,53,47,5,1,59,
 55,89,1,95,1,83,77,71,1,41,8,46,71,97,1,119,71,17,
 79,89,1,167,1,95,103,63,83,13,1,125,95,143,1,97,1,
 113,41,139,95,167,1,37]