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A260576 as a simple table

na(n)
11
23
313
4327
536673
6950117
7801495893
85896798453
9760999599793
103828797295053127
11520910599208391893
122418812764637100821917
13793123421312468129647727
146936392582189824489589830053
1531170731920863007986026123435697
165284787778858696936313058199017107

[1,3,13,327,36673,950117,801495893,5896798453,
 760999599793,3828797295053127,520910599208391893,
 2418812764637100821917,793123421312468129647727,
 6936392582189824489589830053,
 31170731920863007986026123435697,
 5284787778858696936313058199017107]