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A033507 as a simple table

na(n)
01
15
271
3823
410012
5120465
61453535
717525619
8211351945
92548684656
1030734932553
11370635224561
124469527322891
1353898461609719
14649966808093412
157838012982224913
1694519361817920403
171139818186429110279
1813745178487929574337
19165754445655292452448

[1,5,71,823,10012,120465,1453535,17525619,
 211351945,2548684656,30734932553,370635224561,
 4469527322891,53898461609719,649966808093412,
 7838012982224913,94519361817920403,
 1139818186429110279,13745178487929574337,
 165754445655292452448]