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A297369 as a simple table

na(n)
18
257
3393
42719
518805
6130063
7899565
86221735
943031893
10297624991
112058487997
1214237288407
1398470518885
14681059680207
154710468607821
1632579398179207
17225331548533621
181558478965304063
1910779035164411613
2074551919956746807

[8,57,393,2719,18805,130063,899565,6221735,
 43031893,297624991,2058487997,14237288407,
 98470518885,681059680207,4710468607821,
 32579398179207,225331548533621,1558478965304063,
 10779035164411613,74551919956746807]