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A025989 as a simple table

n a(n)
0 1
1 23
2 347
3 4375
4 50211
5 546063
6 5750347
7 59371895
8 605580371
9 6130227103
10 61765086747
11 620509140615
12 6222647943331
13 62333853156143
14 623992946413547
15 6243906815856535
16 62463186581999091
17 624777847926261183

[1,23,347,4375,50211,546063,5750347,59371895,
 605580371,6130227103,61765086747,620509140615,
 6222647943331,62333853156143,623992946413547,
 6243906815856535,62463186581999091,
 624777847926261183]

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Last modified October 1 22:45 EDT 2022. Contains 357173 sequences. (Running on oeis4.)