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A216367 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 40
5 184
6 948
7 5384
8 33300
9 222192
10 1587512
11 12071776
12 97206544
13 825343600
14 7362067888
15 68772244640
16 670917511424
17 6818719677952
18 72038876668544
19 789610228149632
20 8963457852609984
21 105211331721594368
22 1275095788516589952
23 15934546466314258688

[1,1,3,10,40,184,948,5384,33300,222192,1587512,
 12071776,97206544,825343600,7362067888,
 68772244640,670917511424,6818719677952,
 72038876668544,789610228149632,8963457852609984,
 105211331721594368,1275095788516589952,
 15934546466314258688]

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Last modified May 19 17:10 EDT 2019. Contains 323395 sequences. (Running on oeis4.)