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A289987 as a simple table

na(n)
00
11
21
32
412
5146
65847
7716141
8300635753
9430472002801
102117649544384420
1136154420408979339192
122165755991529764630384554
13459803603042851200545393118005

[0,1,1,2,12,146,5847,716141,300635753,
 430472002801,2117649544384420,
 36154420408979339192,2165755991529764630384554,
 459803603042851200545393118005]