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A197468 as a simple table

na(n)
11
22
326
4184
55408
6165200
716544206
82117012786
9779857304215
10396015611721478
11546971557228648382

[1,2,26,184,5408,165200,16544206,2117012786,
 779857304215,396015611721478,546971557228648382]