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A216850 as a simple table

na(n)
11
22
36
46
530
612
7126
830
9126
1060
112046
1260
138190
14252
151020
16510
17131070
18252
19524286
201020
2116380
224092
238388606
241020
252097150
2616380
27524286
2816380
29536870910
302040
312147483646
32131070
334194300
34262140
3567108860

[1,2,6,6,30,12,126,30,126,60,2046,60,8190,252,
 1020,510,131070,252,524286,1020,16380,4092,
 8388606,1020,2097150,16380,524286,16380,536870910,
 2040,2147483646,131070,4194300,262140,67108860]