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A340920 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 9
5 23
6 57
7 151
8 427
9 1263
10 3807
11 11549
12 34843
13 104459
14 311317
15 928719
16 2776247
17 8320757
18 24967341
19 74985337

[1,1,2,4,9,23,57,151,427,1263,3807,11549,34843,
 104459,311317,928719,2776247,8320757,24967341,
 74985337]

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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)