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A214663 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 12
5 25
6 57
7 124
8 268
9 588
10 1285
11 2801
12 6118
13 13362
14 29168
15 63685
16 139057
17 303608
18 662888
19 1447352
20 3160121
21 6899745
22 15064810
23 32892270
24 71816436
25 156802881
26 342360937
27 747505396
28 1632091412
29 3563482500
30 7780451037
31 16987713169
32 37090703118
33 80983251898

[1,1,2,6,12,25,57,124,268,588,1285,2801,6118,
 13362,29168,63685,139057,303608,662888,1447352,
 3160121,6899745,15064810,32892270,71816436,
 156802881,342360937,747505396,1632091412,
 3563482500,7780451037,16987713169,37090703118,
 80983251898]

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Last modified April 23 06:03 EDT 2021. Contains 343199 sequences. (Running on oeis4.)