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A136671 as a simple table

n a(n)
1 0
2 1
3 2
4 4
5 8
6 17
7 37
8 81
9 177
10 388
11 850
12 1864
13 4088
14 8966
15 19664
16 43128
17 94591
18 207464
19 455026
20 997999
21 2188891 

[0,1,2,4,8,17,37,81,177,388,850,1864,4088,8966,
 19664,43128,94591,207464,455026,997999,2188891]

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Last modified May 16 15:04 EDT 2024. Contains 372554 sequences. (Running on oeis4.)