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A210054 as a simple table

n a(n)
1 9
2 51
3 323
4 2187
5 15435
6 111659
7 819243
8 6058155
9 44991659
10 334914219
11 2496201387
12 18617371307
13 138903833259
14 1036559854251
15 7736058194603
16 57739004914347
17 430954921634475
18 3216631813810859
19 24009028665518763
20 179204877435185835

[9,51,323,2187,15435,111659,819243,6058155,
 44991659,334914219,2496201387,18617371307,
 138903833259,1036559854251,7736058194603,
 57739004914347,430954921634475,3216631813810859,
 24009028665518763,179204877435185835]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)