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A299597 as a simple table

na(n)
10
23
39
427
5147
6643
73051
814539
969087
10330659
111581181
127568599
1336237471
14173510451
15830875967
163978809357
1719053619021
1891244122317
19436951789203
202092488030843
2110020577253545
2247986897587643
23229801409544101

[0,3,9,27,147,643,3051,14539,69087,330659,1581181,
 7568599,36237471,173510451,830875967,3978809357,
 19053619021,91244122317,436951789203,
 2092488030843,10020577253545,47986897587643,
 229801409544101]