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A105762 as a simple table

na(n)
13
27
311
471
5131
6241
7443
81499
9196331
1086992799
11541292033
12292997064989357251
13129824812729295169371
14238785058551151434437
155026368970977284897651
16105803877284856287511991

[3,7,11,71,131,241,443,1499,196331,86992799,
 541292033,292997064989357251,
 129824812729295169371,238785058551151434437,
 5026368970977284897651,105803877284856287511991]