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A305655 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 54
5 290
6 1674
7 10857
8 76398
9 580230
10 4706734
11 40598349
12 370694845
13 3569027696
14 36100349833
15 382360758863
16 4228730647420
17 48716663849192
18 583403253712747
19 7248883337962522
20 93291181556742684
21 1241632098163126324
22 17064777292709034968
23 241874821482784132204

[1,1,3,13,54,290,1674,10857,76398,580230,4706734,
 40598349,370694845,3569027696,36100349833,
 382360758863,4228730647420,48716663849192,
 583403253712747,7248883337962522,
 93291181556742684,1241632098163126324,
 17064777292709034968,241874821482784132204]

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Last modified August 28 02:57 EDT 2024. Contains 375477 sequences. (Running on oeis4.)