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A230553 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 10
5 24
6 62
7 156
8 406
9 1040
10 2714
11 7012
12 18322
13 47560
14 124358
15 323708
16 846766
17 2208032
18 5777330
19 15082372
20 39469786 

[1,1,2,4,10,24,62,156,406,1040,2714,7012,18322,
 47560,124358,323708,846766,2208032,5777330,
 15082372,39469786]

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Last modified April 24 18:05 EDT 2024. Contains 371962 sequences. (Running on oeis4.)