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A146449 as a simple table

na(n)
11
21
31
41
51
61
71
83
97
1013
1137
12103
13247
14705
152637
1610751
1747763
18249479
191432497
208448903
2155396711
22408864319
233345198367
2430485497915
25317358146063
263656304314307
2746486480051999
28650411725511243

[1,1,1,1,1,1,1,3,7,13,37,103,247,705,2637,10751,
 47763,249479,1432497,8448903,55396711,408864319,
 3345198367,30485497915,317358146063,3656304314307,
 46486480051999,650411725511243]