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A212923 as a simple table

n a(n)
1 1
2 2
3 4
4 19
5 111
6 734
7 5338
8 41839
9 348827
10 3065255
11 28199803
12 270253498
13 2687629926
14 27652068276
15 293627150268
16 3211604669731
17 36124424800797
18 417294625090201
19 4944772338009206
20 60045368928594948
21 746560751627818906
22 9496624640844863631
23 123507266690219103213

[1,2,4,19,111,734,5338,41839,348827,3065255,
 28199803,270253498,2687629926,27652068276,
 293627150268,3211604669731,36124424800797,
 417294625090201,4944772338009206,
 60045368928594948,746560751627818906,
 9496624640844863631,123507266690219103213]

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Last modified April 19 08:08 EDT 2024. Contains 371782 sequences. (Running on oeis4.)