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A084615 as a simple table

na(n)
01
15
223
399
4401
51525
66345
727331
8122083
9520805
102117293
118301441
1234517395
13147850771
14628707981
152675100397
1610920387779
1743701876543
18180872758207
19769658883325
203243501133481
2113617178197183
2256148348498199

[1,5,23,99,401,1525,6345,27331,122083,520805,
 2117293,8301441,34517395,147850771,628707981,
 2675100397,10920387779,43701876543,180872758207,
 769658883325,3243501133481,13617178197183,
 56148348498199]