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A177155 as a simple table

n a(n)
0 1
1 1
2 4
3 13
4 35
5 87
6 217
7 539
8 1291
9 2999
10 6880
11 15595
12 34738
13 76202
14 165282
15 354655
16 752546
17 1580514
18 3289337
19 6787085
20 13887937
21 28195434
22 56824772
23 113729640
24 226104615
25 446665922
26 877063515
27 1712252521
28 3324245063
29 6419561961

[1,1,4,13,35,87,217,539,1291,2999,6880,15595,
 34738,76202,165282,354655,752546,1580514,3289337,
 6787085,13887937,28195434,56824772,113729640,
 226104615,446665922,877063515,1712252521,
 3324245063,6419561961]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)