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A026581 as a simple table

na(n)
01
13
27
319
447
5123
6311
7803
82047
95259
1013447
1134483
1288271
13226203
14579287
151484099
163801247
179737643
1824942631
1963893203
20163663727
21419236539
221073891447
232750837603
247046403391
2518049753803
2646235367367
27118434382579
28303375852047
29777113382363

[1,3,7,19,47,123,311,803,2047,5259,13447,34483,
 88271,226203,579287,1484099,3801247,9737643,
 24942631,63893203,163663727,419236539,1073891447,
 2750837603,7046403391,18049753803,46235367367,
 118434382579,303375852047,777113382363]