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A031821 as a simple table

na(n)
16031
218643
338263
442559
544323
649039
760131
875067
989464
1093304
1193328
1294051
1394119
1497399
1598375
1699299
17110171
18119848
19119995
20128927
21132355
22143464
23144055
24147911
25148843
26152227
27156871
28158107
29162328
30164755
31166071
32167587

[6031,18643,38263,42559,44323,49039,60131,75067,
 89464,93304,93328,94051,94119,97399,98375,99299,
 110171,119848,119995,128927,132355,143464,144055,
 147911,148843,152227,156871,158107,162328,164755,
 166071,167587]