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A361866 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 8
5 22
6 75
7 267
8 1119
9 4965
10 22694
11 117090
12 670621
13 3866503 

[1,1,1,3,8,22,75,267,1119,4965,22694,117090,
 670621,3866503]

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Last modified August 30 07:09 EDT 2024. Contains 375532 sequences. (Running on oeis4.)