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A064005 as a simple table

na(n)
12
23
34
45
57
69
711
812
917
1019
1123
1225
1329
1431
1537
1641
1743
1847
1949
2053
2159
2261

[2,3,4,5,7,9,11,12,17,19,23,25,29,31,37,41,43,47,
 49,53,59,61]