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A123941 as a simple table

n a(n)
0 0
1 1
2 3
3 9
4 26
5 75
6 216
7 622
8 1791
9 5157
10 14849
11 42756
12 123111
13 354484
14 1020696
15 2938977
16 8462447
17 24366645
18 70160958
19 202020427
20 581694636
21 1674922950
22 4822748423
23 13886550633
24 39984728949
25 115131438424
26 331507764639
27 954538564968
28 2748484256480

[0,1,3,9,26,75,216,622,1791,5157,14849,42756,
 123111,354484,1020696,2938977,8462447,24366645,
 70160958,202020427,581694636,1674922950,
 4822748423,13886550633,39984728949,115131438424,
 331507764639,954538564968,2748484256480]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)