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A226543 as a simple table

na(n)
01
11
255
3595
411012
5168925
62760690
744159095
8711479843
911435477118
10183947396032
112958142131138
1247575298963072
13765124447990418
1412305134306097753
15197897152964385186
163182680323964197938
1751185438892782012288
18823189555932846017125

[1,1,55,595,11012,168925,2760690,44159095,
 711479843,11435477118,183947396032,2958142131138,
 47575298963072,765124447990418,12305134306097753,
 197897152964385186,3182680323964197938,
 51185438892782012288,823189555932846017125]