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A116257 as a simple table

na(n)
17
28217106
38030443878983905980
443467818511541680701794365325328847002050
556532181488458319298205634674671152997943

[7,8217106,8030443878983905980,
 43467818511541680701794365325328847002050,
 56532181488458319298205634674671152997943]