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A217143 as a simple table

na(n)
01
12
26
331
4256
52960
644169
7813298
817952898
9465148507
1013915349132
11474372594032
1218228772272441
13782443669319410
1437224994809379094
151949799331997896119
16111783178753323665728
176978369826387194664144
18472207139326449254997425

[1,2,6,31,256,2960,44169,813298,17952898,
 465148507,13915349132,474372594032,18228772272441,
 782443669319410,37224994809379094,
 1949799331997896119,111783178753323665728,
 6978369826387194664144,472207139326449254997425]