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A211017 as a simple table

na(n)
10
20
38
48
524
616
740
8104
948
1032
11168
12424
13208
1496
1564
16680
171704
18848
19416
20192
21128
222728
236824
243408
251696
26832
27384
28256
2910920
3027304
3113648
326816
333392
341664
35768
36512
3743688
38109924
3954608
4027296
4113632
426784
433328
441536
451024

[0,0,8,8,24,16,40,104,48,32,168,424,208,96,64,680,
 1704,848,416,192,128,2728,6824,3408,1696,832,384,
 256,10920,27304,13648,6816,3392,1664,768,512,
 43688,109924,54608,27296,13632,6784,3328,1536,
 1024]