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A231223 as a simple table

n a(n)
1 6
2 17
3 54
4 182
5 812
6 2962
7 12179
8 50196
9 205057
10 864270
11 3593492
12 15094003
13 63545858
14 267204717
15 1127304903
16 4753575829
17 20059305680
18 84691952803
19 357558971694
20 1510077601850
21 6377796652031
22 26938452104661
23 113791455759187

[6,17,54,182,812,2962,12179,50196,205057,864270,
 3593492,15094003,63545858,267204717,1127304903,
 4753575829,20059305680,84691952803,357558971694,
 1510077601850,6377796652031,26938452104661,
 113791455759187]

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Last modified October 4 01:04 EDT 2022. Contains 357237 sequences. (Running on oeis4.)