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A202856 as a simple table

n a(n)
0 1
1 2
2 5
3 14
4 44
5 152
6 569
7 2270
8 9524
9 41576
10 187348
11 866296
12 4092400
13 19684576
14 96156649
15 476038222
16 2384463044
17 12067926920
18 61641751124
19 317469893176
20 1647261806128
21 8605033903456
22 45228349510660
23 239061269168056
24 1270130468349904
25 6780349241182112
26 36355025167014224
27 195725149445320160
28 1057729059593103808

[1,2,5,14,44,152,569,2270,9524,41576,187348,
 866296,4092400,19684576,96156649,476038222,
 2384463044,12067926920,61641751124,317469893176,
 1647261806128,8605033903456,45228349510660,
 239061269168056,1270130468349904,6780349241182112,
 36355025167014224,195725149445320160,
 1057729059593103808]

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)