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A215404 as a simple table

na(n)
00
10
21
34
413
539
6113
7322
8910
92561
107192
1120175
1256563
13158535
14444276
151244936
163488381
179774440
1827387681
1976739023
20215018609
21602469686
221688083894
234729907909
2413252910268
2537133833451
26104046695091
27291532369743
28816855560248
292288778436672
306413014696201

[0,0,1,4,13,39,113,322,910,2561,7192,20175,56563,
 158535,444276,1244936,3488381,9774440,27387681,
 76739023,215018609,602469686,1688083894,
 4729907909,13252910268,37133833451,104046695091,
 291532369743,816855560248,2288778436672,
 6413014696201]