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A089466 as a simple table

na(n)
01
11
23
318
4163
51950
628821
7505876
810270569
9236644092
106098971555
11173823708696
125427760272507
13184267682837992
146757353631762293
15266191329601854000
1611210291102456374801
17502602430218071545104
1823900770928782913595651
191201581698963550283673632

[1,1,3,18,163,1950,28821,505876,10270569,
 236644092,6098971555,173823708696,5427760272507,
 184267682837992,6757353631762293,
 266191329601854000,11210291102456374801,
 502602430218071545104,23900770928782913595651,
 1201581698963550283673632]