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A188577
as a simple table
n
a(n)
1
0
2
1
3
2
4
8
5
18
6
39
7
89
8
195
9
415
10
865
11
1823
12
3787
13
7869
14
16230
15
33352
16
68422
17
140013
18
285991
19
583235
20
1187718
[0,1,2,8,18,39,89,195,415,865,1823,3787,7869, 16230,33352,68422,140013,285991,583235,1187718]
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Last modified March 28 07:33 EDT 2024. Contains 371235 sequences. (Running on oeis4.)