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A309161 as a simple table

na(n)
31
42
55
65
713
829
929
1034
1174
1229
1334
1425
15233
16433
17202
18985
19457
201130
21541
221597
232042
244181
255741
26145
276466
287561
292957
302378
3116501
325
333733
341157
3553
3662210
3727845
3875025
3996557
4043970
4159153
425857
43160373
44219658
45252005
46294685
47126226
48426389
49559945
50514229
51733
52514
531278649
54706225
553001
561441889
571716469
5861913
59187045
6012994

[1,2,5,5,13,29,29,34,74,29,34,25,233,433,202,985,
 457,1130,541,1597,2042,4181,5741,145,6466,7561,
 2957,2378,16501,5,3733,1157,53,62210,27845,75025,
 96557,43970,59153,5857,160373,219658,252005,
 294685,126226,426389,559945,514229,733,514,
 1278649,706225,3001,1441889,1716469,61913,187045,
 12994]