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A002387 as a simple table

na(n)
01
12
24
311
431
583
6227
7616
81674
94550
1012367
1133617
1291380
13248397
14675214
151835421
164989191
1713562027
1836865412
19100210581
20272400600
21740461601
222012783315
235471312310
2414872568831
2540427833596
26109894245429
27298723530401
28812014744422

[1,2,4,11,31,83,227,616,1674,4550,12367,33617,
 91380,248397,675214,1835421,4989191,13562027,
 36865412,100210581,272400600,740461601,2012783315,
 5471312310,14872568831,40427833596,109894245429,
 298723530401,812014744422]