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A238017 as a simple table

na(n)
10
21
310
410
555
6-1
7210
8120
9120
101485
112145
12-1
132080
14-1
15-1
1656616
171326
1812561
19-1
201540
211540
2221736
23-1
24-1
2552650
2616653
274950
2826796
2910440
3012880
317750
32-1
33-1
347140
357140
36154290
37-1
3811476
39-1
40214840
41-1
42-1
43207690
4423252790
45-1
46-1
476895041
48-1
49750925

[0,1,10,10,55,-1,210,120,120,1485,2145,-1,2080,-1,
 -1,56616,1326,12561,-1,1540,1540,21736,-1,-1,
 52650,16653,4950,26796,10440,12880,7750,-1,-1,
 7140,7140,154290,-1,11476,-1,214840,-1,-1,207690,
 23252790,-1,-1,6895041,-1,750925]