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A212149 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 4
6 13
7 34
8 82
9 185
10 403
11 853
12 1777
13 3656
14 7465
15 15156
16 30659
17 61850
18 124548
19 250456
20 503158

[0,0,0,1,4,13,34,82,185,403,853,1777,3656,7465,
 15156,30659,61850,124548,250456,503158]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)