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A066188 as a simple table

na(n)
00
10
21
36
422
558
6141
7289
8579
91054
101885
113161
125280
138371
1413220
1520183
1630605
1745178
1866448
1995546
20136877
21192759
22270146
23373387
24514187
25699429
26947846
271272067
281700456
292254007
302977623
313904091
325102058
336625434
348575277
3511037277
3614163777

[0,0,1,6,22,58,141,289,579,1054,1885,3161,5280,
 8371,13220,20183,30605,45178,66448,95546,136877,
 192759,270146,373387,514187,699429,947846,1272067,
 1700456,2254007,2977623,3904091,5102058,6625434,
 8575277,11037277,14163777]