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A128372 as a simple table

na(n)
131
23
329
46
5201
613
725
89
923
1011
11183
1222
1319
14159
1517
1620
1745
1849
19169
20502
21209
2242
2335
2450
2591919
2627
273265
2836
291159
3098
3175197
3233
3395
3466
352817
3638
371385
3858
3925187
4082
4132727
42982
4355
44117
457031
4691
472517
4852
4946528545441593
5057
51503981
5292
53135
54194

[31,3,29,6,201,13,25,9,23,11,183,22,19,159,17,20,
 45,49,169,502,209,42,35,50,91919,27,3265,36,1159,
 98,75197,33,95,66,2817,38,1385,58,25187,82,32727,
 982,55,117,7031,91,2517,52,46528545441593,57,
 503981,92,135,194]