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A191371 as a simple table

n a(n)
0 1
1 3
2 15
3 123
4 1635
5 35043
6 1206915
7 66622083
8 5884188675
9 830476531203
10 187106645932035
11 67241729173555203
12 38521811621470420995
13 35161184767296890265603
14 51112793797110111859802115
15 118291368253025368001553530883
16 435713124846749574718274002747395
17 2553666761436949125065383836043837443

[1,3,15,123,1635,35043,1206915,66622083,
 5884188675,830476531203,187106645932035,
 67241729173555203,38521811621470420995,
 35161184767296890265603,
 51112793797110111859802115,
 118291368253025368001553530883,
 435713124846749574718274002747395,
 2553666761436949125065383836043837443]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)