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A005268 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 10
6 31
7 120
8 578
9 3422
10 24504
11 208833
12 2086777
13 24123293
14 318800755
15 4766262421
16 79874304340
17 1488227986802 

[1,1,2,4,10,31,120,578,3422,24504,208833,2086777,
 24123293,318800755,4766262421,79874304340,
 1488227986802]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)