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A022258 as a simple table

na(n)
71
85380840
926058095733124
10124806266065883690200
11597035499217287155085549610
122855650645340126913932218722028600
1313658514212390616911370927114097728660820

[1,5380840,26058095733124,124806266065883690200,
 597035499217287155085549610,
 2855650645340126913932218722028600,
 13658514212390616911370927114097728660820]