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A090813 as a simple table

na(n)
355
47651
53290729563
66818200140583
7166441513807473717727
81702709510836284027532747
9597359613401618666812910561358019
1049136798858325589887577115786547403314116681479

[55,7651,3290729563,6818200140583,
 166441513807473717727,1702709510836284027532747,
 597359613401618666812910561358019,
 49136798858325589887577115786547403314116681479]