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A020992 as a simple table

na(n)
00
12
21
33
46
510
619
735
864
9118
10217
11399
12734
131350
142483
154567
168400
1715450
1828417
1952267
2096134
21176818
22325219
23598171
241100208
252023598
263721977
276845783
2812591358
2923159118
3042596259
3178346735
32144102112
33265045106
34487493953
35896641171
361649180230

[0,2,1,3,6,10,19,35,64,118,217,399,734,1350,2483,
 4567,8400,15450,28417,52267,96134,176818,325219,
 598171,1100208,2023598,3721977,6845783,12591358,
 23159118,42596259,78346735,144102112,265045106,
 487493953,896641171,1649180230]