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A218925
as a simple table
n
a(n)
0
0
1
0
2
1
3
4
4
17
5
37
6
149
7
290
8
1080
9
2267
10
8023
11
17249
12
72390
13
153419
[0,0,1,4,17,37,149,290,1080,2267,8023,17249,72390, 153419]
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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)