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A372252 as a simple table

n a(n)
0 0
1 1
2 8
3 30
4 100
5 280
6 728
7 1764
8 4080
9 9075
10 19580
11 41184
12 84812
13 171535
14 341600
15 671160
16 1303152
17 2503896
18 4766340
19 8997450
20 16856840
21 31366181
22 58001768
23 106646400
24 195065000
25 355074525
26 643465368
27 1161281394

[0,1,8,30,100,280,728,1764,4080,9075,19580,41184,
 84812,171535,341600,671160,1303152,2503896,
 4766340,8997450,16856840,31366181,58001768,
 106646400,195065000,355074525,643465368,
 1161281394]

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Last modified June 25 19:24 EDT 2024. Contains 373707 sequences. (Running on oeis4.)