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A176611 as a simple table

n a(n)
0 1
1 1
2 5
3 15
4 45
5 151
6 549
7 2083
8 8133
9 32487
10 132141
11 545299
12 2277021
13 9603111
14 40844629
15 174997363
16 754562037
17 3271847975
18 14257744125
19 62407576979
20 274256671949
21 1209604653095
22 5352444701861
23 23755193862131

[1,1,5,15,45,151,549,2083,8133,32487,132141,
 545299,2277021,9603111,40844629,174997363,
 754562037,3271847975,14257744125,62407576979,
 274256671949,1209604653095,5352444701861,
 23755193862131]

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Last modified August 15 13:59 EDT 2022. Contains 356145 sequences. (Running on oeis4.)