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A322726 as a simple table

n a(n)
0 1
1 3
2 10
3 36
4 155
5 825
6 5227
7 36930
8 277933
9 2181186
10 17716100
11 148600698
12 1286066999
13 11471959881
14 105320978028
15 993555579651
16 9616293352921
17 95370420276468
18 968267603845781
19 10056629892262203
20 106798045980208919
21 1159174549401667188
22 12854190552592134081
23 145574358625296958326
24 1683040220764208777635

[1,3,10,36,155,825,5227,36930,277933,2181186,
 17716100,148600698,1286066999,11471959881,
 105320978028,993555579651,9616293352921,
 95370420276468,968267603845781,10056629892262203,
 106798045980208919,1159174549401667188,
 12854190552592134081,145574358625296958326,
 1683040220764208777635]

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Last modified June 1 04:57 EDT 2020. Contains 334758 sequences. (Running on oeis4.)