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A052853 as a simple table

na(n)
00
11
22
35
414
542
6138
7466
81643
95919
1021773
1181279
12307483
131175352
144534161
1517626999
1668992703
17271641249
181075144364
194275274867
2017071822275
2168428152475
22275217386092
231110375948303
244492641333003
2518225081419544
2674111194585752
27302040709982249

[0,1,2,5,14,42,138,466,1643,5919,21773,81279,
 307483,1175352,4534161,17626999,68992703,
 271641249,1075144364,4275274867,17071822275,
 68428152475,275217386092,1110375948303,
 4492641333003,18225081419544,74111194585752,
 302040709982249]