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A035342 as a simple table

na(n)
11
23
31
415
59
61
7105
887
918
101
11945
12975
13285
1430
151
1610395
1712645
184680
19705
2045
211
22135135
23187425
2482845
2515960
261470
2763
281
292027025
303133935
311595790
32370125
3343890
342730
3584
361
3734459425
3858437855
3933453945
408998290

[1,3,1,15,9,1,105,87,18,1,945,975,285,30,1,10395,
 12645,4680,705,45,1,135135,187425,82845,15960,
 1470,63,1,2027025,3133935,1595790,370125,43890,
 2730,84,1,34459425,58437855,33453945,8998290]