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A099014 as a simple table

n a(n)
0 0
1 1
2 5
3 20
4 87
5 365
6 1552
7 6565
8 27825
9 117844
10 499235
11 2114729
12 8958240
13 37947545
14 160748653
15 680941780
16 2884516383
17 12219006325
18 51760543280
19 219261176861
20 928805254905
21 3934482189716
22 16666734024715
23 70601418270865

[0,1,5,20,87,365,1552,6565,27825,117844,499235,
 2114729,8958240,37947545,160748653,680941780,
 2884516383,12219006325,51760543280,219261176861,
 928805254905,3934482189716,16666734024715,
 70601418270865]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)