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A034268 as a simple table

n a(n)
1 1
2 3
3 21
4 105
5 3255
6 9765
7 1240155
8 21082635
9 1539032355
10 16929355905
11 34654391537535
12 450507089987955
13 3690103574091339405
14 158674453685927594415
15 23959842506575066756665
16 6157679524189792156462905
17 807093212915080247739749421255

[1,3,21,105,3255,9765,1240155,21082635,1539032355,
 16929355905,34654391537535,450507089987955,
 3690103574091339405,158674453685927594415,
 23959842506575066756665,6157679524189792156462905,
 807093212915080247739749421255]

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Last modified July 29 12:20 EDT 2024. Contains 374734 sequences. (Running on oeis4.)