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A007199 as a simple table

n a(n)
1 1
2 3
3 12
4 55
5 273
6 1425
7 7695
8 42576
9 239925
10 1371555
11 7931817
12 46310127
13 272559558
14 1615163592
15 9627985773
16 57688721354
17 347228163630 

[1,3,12,55,273,1425,7695,42576,239925,1371555,
 7931817,46310127,272559558,1615163592,9627985773,
 57688721354,347228163630]

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Last modified May 31 11:00 EDT 2024. Contains 372981 sequences. (Running on oeis4.)