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A212615 as a simple table

na(n)
12
239
32231
440
514
694974
747
8212
91071
10477
11124
12261
1315120
145
15180
16375638
172413
1822
194270831
20924
21278
2218
23126
2433510
25355
26376
279047610
2837313170
291533015
307315
311687018
32520
33363155
348827
3513514
3611701449166
37670
383290
392
404
41817
4231175067

[2,39,2231,40,14,94974,47,212,1071,477,124,261,
 15120,5,180,375638,2413,22,4270831,924,278,18,126,
 33510,355,376,9047610,37313170,1533015,7315,
 1687018,520,363155,8827,13514,11701449166,670,
 3290,2,4,817,31175067]