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A247866 as a simple table

na(n)
12
27
314
416
522
623
726
840
943
1047
1158
1262
1370
14107
15265
16292
17439
18874
19982
201063
211150
222506
233578
243775
257679
2610024
2742625
2846714

[2,7,14,16,22,23,26,40,43,47,58,62,70,107,265,292,
 439,874,982,1063,1150,2506,3578,3775,7679,10024,
 42625,46714]