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A211925 as a simple table

n a(n)
1 0
2 2
3 23
4 340
5 2577
6 12616
7 46582
8 141478
9 372360
10 878257
11 1899356
12 3828287
13 7278658
14 13174305
15 22863037
16 38258971
17 62017867
18 97750188
19 150276925
20 225933542
21 332927711
22 481756822
23 685691568

[0,2,23,340,2577,12616,46582,141478,372360,878257,
 1899356,3828287,7278658,13174305,22863037,
 38258971,62017867,97750188,150276925,225933542,
 332927711,481756822,685691568]

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Last modified April 16 17:08 EDT 2024. Contains 371749 sequences. (Running on oeis4.)