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A204086 as a simple table

na(n)
13
215
363
4135
5567
6315
75103
81155
91575
102835
11413343
124095
133720087
1425515
1514175
1610395
17301327047
1820475
192711943423
2036855
21127575
222066715
23219667417263
2451975
25354375
2618600435
27121275
28331695
29160137547184727
30184275
311441237924662543
32135135

[3,15,63,135,567,315,5103,1155,1575,2835,413343,
 4095,3720087,25515,14175,10395,301327047,20475,
 2711943423,36855,127575,2066715,219667417263,
 51975,354375,18600435,121275,331695,
 160137547184727,184275,1441237924662543,135135]