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A197981 as a simple table

n a(n)
1 9
2 272
3 14408
4 1081730
5 104985728
6 12487616539
7 1758172862980
8 285903205720512
9 52725376090628155
10 10872393464815690144
11 2478802987043990078456
12 619122710473385614426210
13 168115507427305189329095427

[9,272,14408,1081730,104985728,12487616539,
 1758172862980,285903205720512,52725376090628155,
 10872393464815690144,2478802987043990078456,
 619122710473385614426210,
 168115507427305189329095427]

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Last modified July 20 18:43 EDT 2024. Contains 374459 sequences. (Running on oeis4.)