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A291371 as a simple table

na(n)
11
24
382
47258
51491629
6506855279
7254118439668
8176377605783906
9162019808170348933
10190375587419231088550
11278587959330563466969926
12496903413656110608290219603

[1,4,82,7258,1491629,506855279,254118439668,
 176377605783906,162019808170348933,
 190375587419231088550,278587959330563466969926,
 496903413656110608290219603]