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A020749 as a simple table

na(n)
05
18
212
318
427
540
659
787
8128
9188
10276
11405
12594
13871
141277
151872
162744
174022
185895
198640
2012663
2118559
2227200
2339864
2458424
2585625
26125490
27183915
28269541
29395032
30578948
31848490
321243523
331822472
342670963
353914487
365736960
378407924
3812322412
3918059373

[5,8,12,18,27,40,59,87,128,188,276,405,594,871,
 1277,1872,2744,4022,5895,8640,12663,18559,27200,
 39864,58424,85625,125490,183915,269541,395032,
 578948,848490,1243523,1822472,2670963,3914487,
 5736960,8407924,12322412,18059373]