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A086272 as a simple table

na(n)
11
23
31
47
54
61
713
810
95
101
1121
1219
1313
146
151
1631
1731
1825
1916
207
211
2243
2346
2441
2531
2619
278
281
2957
3064
3161
3251
3337
3422
359
361
3773
3885
3985
4076
4161
4243
4325
4410
451
4691
47109
48113
49106
5091
5171
5249
5328
5411
551
56111
57136
58145
59141
60127
61106
6281
6355
6431
6512
661
67133
68166
69181
70181
71169

[1,3,1,7,4,1,13,10,5,1,21,19,13,6,1,31,31,25,16,7,
 1,43,46,41,31,19,8,1,57,64,61,51,37,22,9,1,73,85,
 85,76,61,43,25,10,1,91,109,113,106,91,71,49,28,11,
 1,111,136,145,141,127,106,81,55,31,12,1,133,166,
 181,181,169]