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A102866 as a simple table

n a(n)
0 1
1 2
2 5
3 16
4 42
5 116
6 310
7 816
8 2121
9 5466
10 13937
11 35248
12 88494
13 220644
14 546778
15 1347344
16 3302780
17 8057344
18 19568892
19 47329264
20 114025786
21 273709732
22 654765342
23 1561257968
24 3711373005
25 8797021714
26 20794198581
27 49024480880
28 115292809910
29 270495295636

[1,2,5,16,42,116,310,816,2121,5466,13937,35248,
 88494,220644,546778,1347344,3302780,8057344,
 19568892,47329264,114025786,273709732,654765342,
 1561257968,3711373005,8797021714,20794198581,
 49024480880,115292809910,270495295636]

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)