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A006756 as a simple table

n a(n)
0 0
1 4
2 5
3 6
4 8
5 16
6 27
7 49
8 92
9 168
10 320
11 613
12 1177
13 2262
14 4432
15 8696
16 17072
17 33531
18 65885
19 130593
20 258924 

[0,4,5,6,8,16,27,49,92,168,320,613,1177,2262,4432,
 8696,17072,33531,65885,130593,258924]

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Last modified April 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)