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A226879 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 47
5 246
6 1602
7 11481
8 95503
9 871030
10 5250758
11 38454351
12 273492122
13 2051148347
14 15736849481
15 125536061475
16 1041102777023
17 8537848507142
18 74739775725270
19 569218702884915
20 4674633861692302
21 37899687815748825
22 312237339834676391
23 2586068757754063445

[1,1,3,10,47,246,1602,11481,95503,871030,5250758,
 38454351,273492122,2051148347,15736849481,
 125536061475,1041102777023,8537848507142,
 74739775725270,569218702884915,4674633861692302,
 37899687815748825,312237339834676391,
 2586068757754063445]

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Last modified June 26 21:14 EDT 2022. Contains 354885 sequences. (Running on oeis4.)