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A056293 as a simple table

na(n)
11
22
33
47
512
642
7123
8503
92008
108720
1138365
12173609
13792828
143662924
1517034381
1679703081
17374624254
181767883444
198370666417
2039751072847
21189262621864
22903220058756
234319518316899
2420697040198889
2599343899144822
26477609477924308
272299585449279713

[1,2,3,7,12,42,123,503,2008,8720,38365,173609,
 792828,3662924,17034381,79703081,374624254,
 1767883444,8370666417,39751072847,189262621864,
 903220058756,4319518316899,20697040198889,
 99343899144822,477609477924308,2299585449279713]