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A110888 as a simple table

n a(n)
1 1
2 1
3 2
4 3
5 7
6 15
7 48
8 180
9 985
10 6867
11 60108
12 609112
13 6909017 

[1,1,2,3,7,15,48,180,985,6867,60108,609112,
 6909017]

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Last modified April 19 15:11 EDT 2024. Contains 371794 sequences. (Running on oeis4.)