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A088521 as a simple table

na(n)
11
20
33
40
55
611
71
89
918
1028
118
1220
1333
144
1519
1635
1752
189
1928
2048
2169
2212
2335
2459
2584
269
2736
2864
2993
3010
3141
3273
33106
341
3536
3672
37109
38147
3919
4059
41100
42142
43185
4436
4581
46127
47174
48222
4944
5094
51145
52197
539
5463
55118
56174
57231
5818
5977
60137
61198
62260
6316
6480
65145
66211
67278
689

[1,0,3,0,5,11,1,9,18,28,8,20,33,4,19,35,52,9,28,
 48,69,12,35,59,84,9,36,64,93,10,41,73,106,1,36,72,
 109,147,19,59,100,142,185,36,81,127,174,222,44,94,
 145,197,9,63,118,174,231,18,77,137,198,260,16,80,
 145,211,278,9]