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A022255 as a simple table

na(n)
41
57381
649031983
7322140667123
82113887057661126
913869447829832637406
1090997618413507253345810
11597035499217287155085549610
123917150001348391097251303957615
1325700421225173962543056800181928315
14168620463706718874134703442098874261321

[1,7381,49031983,322140667123,2113887057661126,
 13869447829832637406,90997618413507253345810,
 597035499217287155085549610,
 3917150001348391097251303957615,
 25700421225173962543056800181928315,
 168620463706718874134703442098874261321]