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A005354 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 0
5 1
6 3
7 9
8 28
9 85
10 262
11 827
12 2651
13 8626
14 28507
15 95393
16 322938
17 1104525
18 3812367
19 13266366
20 46504495
21 164098390
22 582521687
23 2079133141
24 7457788295
25 26872946466
26 97238824018
27 353218128299
28 1287657977946
29 4709784136316

[1,1,0,0,0,1,3,9,28,85,262,827,2651,8626,28507,
 95393,322938,1104525,3812367,13266366,46504495,
 164098390,582521687,2079133141,7457788295,
 26872946466,97238824018,353218128299,
 1287657977946,4709784136316]

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Last modified August 10 12:00 EDT 2024. Contains 375056 sequences. (Running on oeis4.)