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A017732 as a simple table

n a(n)
68 1
69 69
70 2415
71 57155
72 1028790
73 15020334
74 185250786
75 1984829850
76 18855883575
77 161322559475
78 1258315963905
79 9036996468045
80 60246643120300
81 375382930211100
82 2198671448379300
83 12165982014365460
84 63871405575418665

[1,69,2415,57155,1028790,15020334,185250786,
 1984829850,18855883575,161322559475,1258315963905,
 9036996468045,60246643120300,375382930211100,
 2198671448379300,12165982014365460,
 63871405575418665]

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Last modified May 30 03:30 EDT 2024. Contains 372957 sequences. (Running on oeis4.)