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A337471 as a simple table

na(n)
11
23
315
49
5105
645
71155
827
9225
10315
1115015
12135
13255255
143465
151575
1681
174849845
18675
19111546435
20945
2117325
2245045
233234846615
24405
2511025
26765765
273375
2810395
29100280245065
304725
313710369067405
32243
33225225
3414549535
35121275
362025
37152125131763605
38334639305
393828825
402835
416541380665835015
4251975
43307444891294245705
44135135

[1,3,15,9,105,45,1155,27,225,315,15015,135,255255,
 3465,1575,81,4849845,675,111546435,945,17325,
 45045,3234846615,405,11025,765765,3375,10395,
 100280245065,4725,3710369067405,243,225225,
 14549535,121275,2025,152125131763605,334639305,
 3828825,2835,6541380665835015,51975,
 307444891294245705,135135]