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A041305 as a simple table

na(n)
01
11
26
313
471
584
62087
72171
812942
928055
10153217
11181272
124503745
134685017
1427928830
1560542677
16330642215
17391184892
189719079623
1910110264515
2060270402198
21130651068911
22713525746753
23844176815664
2420973769322689
2521817946138353

[1,1,6,13,71,84,2087,2171,12942,28055,153217,
 181272,4503745,4685017,27928830,60542677,
 330642215,391184892,9719079623,10110264515,
 60270402198,130651068911,713525746753,
 844176815664,20973769322689,21817946138353]