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A340472 as a simple table

na(n)
11
21
31
41
55
61
761
81
9277
101
1150521
12691
13540553
142
15199360981
163617
173878302429
1843867
192404879675441
20174611
2114814847529501
22155366
2369348874393137901
24236364091
25238685140977801337
261315862
274087072509293123892361
286785560294
2913181680435827682794403
306892673020804

[1,1,1,1,5,1,61,1,277,1,50521,691,540553,2,
 199360981,3617,3878302429,43867,2404879675441,
 174611,14814847529501,155366,69348874393137901,
 236364091,238685140977801337,1315862,
 4087072509293123892361,6785560294,
 13181680435827682794403,6892673020804]