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A065660 as a simple table

na(n)
17
225
331
41
5223
615
7127
85
9385
1013
111792
1261
13124
1463
15511
162
1723
186145
1997
20211
21439
223
23226
2430
25247
26496
2762
28253
29508
30255
312047
329
3320
3411
3595
3698305
371537
383103
39784
40208
41427
42871
43220
4414680063
45117440512
46112
47229
48121
49244
50123
51991
521984
53248

[7,25,31,1,223,15,127,5,385,13,1792,61,124,63,511,
 2,23,6145,97,211,439,3,226,30,247,496,62,253,508,
 255,2047,9,20,11,95,98305,1537,3103,784,208,427,
 871,220,14680063,117440512,112,229,121,244,123,
 991,1984,248]