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A272448 as a simple table

n a(n)
0 1
1 5
2 32
3 172
4 704
5 3144
6 13056
7 53268
8 214632
9 859204
10 3442512
11 13775332
12 55118600
13 220545308
14 882307120
15 3529147336 

[1,5,32,172,704,3144,13056,53268,214632,859204,
 3442512,13775332,55118600,220545308,882307120,
 3529147336]

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Last modified August 12 23:59 EDT 2024. Contains 375113 sequences. (Running on oeis4.)