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A275013 as a simple table

na(n)
12
27
326
497
5241
62521
716022
826603
939343
10104659
11248407
12506509
13584213
142560177
154036967
164417813
175167587
189725107
1925045771
2027489679
2170416259
22111555371
23174266683
24359589563
251075714923
266820213333
2715378035161
2816598109467
2919423306039
3030133946677
3174466436042

[2,7,26,97,241,2521,16022,26603,39343,104659,
 248407,506509,584213,2560177,4036967,4417813,
 5167587,9725107,25045771,27489679,70416259,
 111555371,174266683,359589563,1075714923,
 6820213333,15378035161,16598109467,19423306039,
 30133946677,74466436042]