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A046193 as a simple table

na(n)
11
25
3221
41513
571065
6487085
722882613
8156839761
97368130225
1050501915861
112372515049741
1216261460067385
13763942477886281
145236139639782013
15245987105364332645
161686020702549740705
1779207083984837225313
18542893430081376724901
1925504435056012222218045

[1,5,221,1513,71065,487085,22882613,156839761,
 7368130225,50501915861,2372515049741,
 16261460067385,763942477886281,5236139639782013,
 245987105364332645,1686020702549740705,
 79207083984837225313,542893430081376724901,
 25504435056012222218045]