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A252668 as a simple table

na(n)
31
42
55
64
714
86
97
1016
1121
1223
1324
140
150
1632
1719
1820
1922
20186
21177
2226
2329
2427
2561
26236
2734
280
2936
3078
3154
320
3341
3487
3543
3644
37188
380
3955
40118
41229
4266
4359
4470
4569
4660
4758
480
49279
50147
5181
52610
5374
54325
5585
56101
5775
58179
590
60369
61100
6297
630
6491
65193
6695
67205

[1,2,5,4,14,6,7,16,21,23,24,0,0,32,19,20,22,186,
 177,26,29,27,61,236,34,0,36,78,54,0,41,87,43,44,
 188,0,55,118,229,66,59,70,69,60,58,0,279,147,81,
 610,74,325,85,101,75,179,0,369,100,97,0,91,193,95,
 205]