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A171621 as a simple table

na(n)
20
35
43
521
68
745
815
977
1024
11117
1235
13165
1448
15221
1663
17285
1880
19357
2099
21437
22120
23525
24143
25621
26168
27725
28195
29837
30224
31957
32255
331085
34288
351221
36323
371365
38360
391517
40399
411677
42440
431845
44483
452021
46528

[0,5,3,21,8,45,15,77,24,117,35,165,48,221,63,285,
 80,357,99,437,120,525,143,621,168,725,195,837,224,
 957,255,1085,288,1221,323,1365,360,1517,399,1677,
 440,1845,483,2021,528]