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A207742 as a simple table

n a(n)
1 9
2 81
3 387
4 1849
5 10535
6 60025
7 327075
8 1782225
9 9840285
10 54331641
11 298827711
12 1643572681
13 9050656627
14 49839223009
15 274344889595
16 1510158343225
17 8313840821405
18 45770001214609
19 251966391900979
20 1387088943911449

[9,81,387,1849,10535,60025,327075,1782225,9840285,
 54331641,298827711,1643572681,9050656627,
 49839223009,274344889595,1510158343225,
 8313840821405,45770001214609,251966391900979,
 1387088943911449]

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Last modified September 9 12:49 EDT 2024. Contains 375764 sequences. (Running on oeis4.)