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A197173 as a simple table

na(n)
11
25
341
4969
592206
622335117
716686610707
835396160304609
9218937410204781995
103910004408912399352584

[1,5,41,969,92206,22335117,16686610707,
 35396160304609,218937410204781995,
 3910004408912399352584]