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A223831 as a simple table

na(n)
13
29
39
422
581
622
746
8484
9484
1046
1186
122116
136166
142116
1586
16148
177396
1851136
1951136
207396
21148
22239
2321904
24310396
25738482
26310396
2721904
28239
29367
3057121
311492552
327291180
337291180
341492552
3557121
36367
37541
38134689
395995781
4054035194
41111026387

[3,9,9,22,81,22,46,484,484,46,86,2116,6166,2116,
 86,148,7396,51136,51136,7396,148,239,21904,310396,
 738482,310396,21904,239,367,57121,1492552,7291180,
 7291180,1492552,57121,367,541,134689,5995781,
 54035194,111026387]