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A206555 as a simple table

na(n)
10
20
30
40
51
60
71
81
92
103
114
125
138
1410
1515
1618
1726
1832
1944
2056
2173
2292
23120
24149
25193
26238
27302
28373
29469
30576
31716
32876
331081
341316
351615
361954
372383
382875
393483
404188
415048
426043
437253
448653
4510341
4612293
4714634
4817340
4920567
5024300
5128717
5233830

[0,0,0,0,1,0,1,1,2,3,4,5,8,10,15,18,26,32,44,56,
 73,92,120,149,193,238,302,373,469,576,716,876,
 1081,1316,1615,1954,2383,2875,3483,4188,5048,6043,
 7253,8653,10341,12293,14634,17340,20567,24300,
 28717,33830]