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A001539 as a simple table

na(n)
03
135
299
3195
4323
5483
6675
7899
81155
91443
101763
112115
122499
132915
143363
153843
164355
174899
185475
196083
206723
217395
228099
238835
249603
2510403
2611235
2712099
2812995
2913923
3014883
3115875
3216899
3317955
3419043
3520163
3621315
3722499
3823715
3924963
4026243
4127555
4228899

[3,35,99,195,323,483,675,899,1155,1443,1763,2115,
 2499,2915,3363,3843,4355,4899,5475,6083,6723,7395,
 8099,8835,9603,10403,11235,12099,12995,13923,
 14883,15875,16899,17955,19043,20163,21315,22499,
 23715,24963,26243,27555,28899]