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A005173 as a simple table

na(n)
10
21
312
461
5240
6841
72772
88821
927480
1084481
11257532
12780781
132358720
147108921
1521392292
1664307941
17193185960
18580082161
191741295052
205225982301
2115682141200
2247054812201
23141181213812
24423577195861
251270798696440

[0,1,12,61,240,841,2772,8821,27480,84481,257532,
 780781,2358720,7108921,21392292,64307941,
 193185960,580082161,1741295052,5225982301,
 15682141200,47054812201,141181213812,423577195861,
 1270798696440]