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A071718 as a simple table

n a(n)
0 1
1 3
2 10
3 32
4 104
5 345
6 1166
7 4004
8 13936
9 49062
10 174420
11 625328
12 2258416
13 8209045
14 30008790
15 110255100
16 406923360
17 1507973610
18 5608843020
19 20931740640
20 78354322800
21 294127079610
22 1106939020044
23 4175827174152
24 15787544777504

[1,3,10,32,104,345,1166,4004,13936,49062,174420,
 625328,2258416,8209045,30008790,110255100,
 406923360,1507973610,5608843020,20931740640,
 78354322800,294127079610,1106939020044,
 4175827174152,15787544777504]

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Last modified April 24 11:14 EDT 2024. Contains 371936 sequences. (Running on oeis4.)